Surely most people dropping work to focus on blogging would be looking for minimal costs (whilst they have limited income as they hone a skill) rather than maximal costs?!
If you rent sharing for maybe $1,500 pcm and then spend $50 a day you'd finish with $500 left vs Inkhaven.
The one thing that seems unfortunate is the choice of name: Piper is already in use in a fairly related area, as a text to speech tool: https://github.com/OHF-Voice/piper1-gpl
I usually think such concerns are lawyers being OTT because they raise them for any potential clash, even when it's clearly very distant and unrelated but something like this is software and heavily using speech, so the potential for the average person misunderstanding and assuming a connection is that much greater.
The (non-scientific) impression I have is that people don't tend to use porn apps, they stick with porn websites.
Therefore, do people basically know apps aren't well behaved with their data and yet in other scenarios they turn a blind eye?
Sounds like a misguided incentive ...
But even with your point, all insurance companies I've ever had cover with in the UK have had some element of support for preventing illness (periodic assessments, support material and trackers) and, at least with people covered under company schemes, they clearly have an incentive to offer more if you are at risk of becoming affected by a preventable illness.
I'm 55 and pretty well travelled and I've noted similar levels of coverage in many EU countries and the US and CA and of course CN (to be fair, my experience of CN is only HK).
I don't know why people get so whizzed up about London's CCTV coverage. For me the scariest area is the M42 south of Birmingham. Every few 100 yards there is a high level camera at height and lots of ANPR.
It is quite a logical place to concentrate on. Look at a map of England - Brum is in the middle of England and the main roads run nearby. M1 from the southeast, M5 from the southwest, then M1 and M6 (takes over from M5) carry on to the northeast and west.
My own house has six HD cameras with Frigate to co-ordinate, analyse and record. My Reolinks never get to see the internet! Four are on the garden and two watch the front door, one is the door bell.
Now ... "since the '70s": I'm old enough to remember the seventies (I still have several mugs for the Queen's Silver Jubilee in 1977, when I was seven). Back then video (VHS) was not a thing, neither was CCTV. We had three TV channels FFS! A cutting edge TV camera at the time was a huge beast and certainly was not mounted on a building or street lamp.
Are you a local?
Anyway, on the cameras you're spot on. I do wonder how much UK cameras are used though - like a microcosm of our national potential, the cameras have potential but how often are they really used: half are likely faulty, most have the person monitoring them on a tea break when something happens and it seems to need an extreme act of violence before they get used in earnest.