Something that wasn't mentioned in the article is that Counter-Strike spawned the creation of the most iconic FPS map ever: de_dust2. If an FPS supports custom maps, it's inevitable that de_dust2 will get ported to it.
There's actually a mini-documentary about the creation of de_dust2 [0] which I think will be of interest to FPS fans.
I wonder if de_dust2 is the most played FPS map or if it has been dethroned by something like Fortnite or some other shooter map.
After De_Dust2, the Jungle Warfare map in the first Ghost Recon game that has a special place in my heart.
1) Block said online service using the hostfile until addiction becomes manageable / goes away. Repeat as needed.
2) For work, keep a notebook. Review and set goals at the start of each day or week. Review and update notes / goals at the end of each day and week. Your own agenda, your game to keep yourself motivated.
Now, since your addiction is blocked and you have something to do, you'll at least get it done before turning to your addiction to kill time / unwind.