From the BSDs, I think only OpenBSD has a really unique selling point with its focus on security. People ask "why pick FreeBSD rather than Linux" and most will not find compelling arguments in favour of FreeBSD there.
Small, well integrated base system, with excellent documentation. Jails, ZFS, pf, bhyve, Dtrace are very well integrated with eachother, which differs from linux where sure there's docker, btrfs, iptables, bpftrace and several different hypervisors to choose from, but they all come from different sources and so they don't play together as neatly.
The ports tree is very nice for when you need to build things with custom options.
The system is simple and easy to understand if you're a seasoned unix-like user. Linux distros keep changing, and I don't have the time to keep up. I have more than 2 decades of experience daily driving linux at this point, and about 3 years total daily driving FreeBSD. And yet, the last time I had a distro install shit itself(pop os), I had no idea how to fix it, due to the rube-goldberg machine of systemd, dbus, polkit, wayland AND X, etc etc that sits underneath the easy to use GUI(which was not working). On boot I was dropped into a root shell with some confusing systemd error message. The boot log was full of crazy messages from daemons I hadn't even heard of before. I was completely lost. On modern Linux distros, my significant experience is effectively useless. On FreeBSD, it remains useful.
Second, when it comes to OpenBSD, I don't actually agree that security is its main selling point. For me, the main selling point of OpenBSD is as a batteries included server/router OS, again extremely well documented in manpages, and it has all the basic network daemons installed, you just enable them. They have very simple configuration files where often all you need is a single digit number of lines, and the config files have their own manpages explaining everything. For use cases like "I just want an HTTP server to serve some static content", "I just want a router with dhcpd and a firewall", etc, OpenBSD is golden.
It's definitely the case that there is undue paranoia about stimulants.
One case you only briefly touch on, addiction. Let me elaborate. I have struggled with severe ADHD(largely untreated during childhood, mainting severity into adulthood as a result) for all my life. I've struggled with drug addiction for most of my adult life(mainly cannabis). The amount of hoops addicts are made to jump through to get access to amphetamines is insane. Generally the requirements in my country(Norway) are to deliver weekly clean drug tests for 3 months. In the case of heavy cannabis use, it takes up to 3 months from going cold turkey until tests are negative. So, a 6 month commitment before treatment can even begin. Now, the relationship between ADHD and cannabis is interesting. I know some ADHDers who swear by it as a treatment. These tend to be of the predominantly hyperactive/impulsive type.
For me, it can't really be called a treatment. It actively worsens my condition in terms of executive dysfunction. Although it does improve some of the aspects like hyperactivity and emotional lability and helps make things bearable.
By the time I'm a year into a binge, my life is such a mess that getting myself out of it without meds is completely hopeless. Here I'm talking my apartment being such a mess I'm generally expecting to be woken up by people in biohazard suits any day now, and wondering how the hell I haven't contracted some kinda crazy bacterial disease by now. Cleaning it up is weeks if not months of work even with meds. Without it's inherently impossible. And the cannabis at least numbs me to the horror of it all.
So for 6 months I have to abandon that small comfort and just exist in this hellish life until I can even begin to improve things. Try to imagine how hard that makes going cold turkey in the first place. Not to mention the fact that meds significantly help me manage the addiction in the first place. I've successfully made it through this 6 month purgatory 3 separate times in the last 13 years. I've made more failed attempts than I can count. Wasted most of my 20s hiding from the purgatory inside a bong. I often wonder ehat my life would've been like if the rules weren't so strict. There's no evidence supported medical justification for waiting any longer than about 4 weeks. Out of the bajillion or so failed attempts, I reckon maybe 3/4 made it that far. Go figure.
I'm currently, close to 2 years semi-sober(doing a new moderation based approach to my addiction, very successfully, smoking exactly once every 4 weeks. Bit unrelated to the stimulant thing, it's more about relapse avoidance. But it's worked wonders so far.) and doing better than ever, but I still have a long way to go. And I will fight anyone who sows FUD about amphetamine or methylphenidate. These are wonder drugs. If you want to freak out about psych meds, go read up on neuroleptics. Now there's something truly horrifying. But of course, that only happens to crazy people hidden away in mental wards, so no one cares about them. I've been to those mental wards and I have seen some shit I will never forget. People whose lives were destroyed, reduced to an unbearable living hell for the remainder, by a supposed "treatment". These people are treated like animals. Go talk about that. Shut the fuck up about stimulants and SSRIs already, jesus. And go touch some grass.