i'm not sure why it would do this, i've never had any issues with watching plex while the internet is down (in fact that was one of my original uses for it, to have movies and tv in a building without internet). I don't have it turned on but I do know you can go into server settings -> network and set a list of IPs/subnets that can access without any authorization at all. That lets you use plex without even having a plex account afaik.
I agree that cybersecurity features should be included. In fact I think they should be included for free. The problem is that Microsoft wanted to charge the Department of Defense and it sounds like they used politics to make sure they could, and if true then they (and maybe also the DoD?) may have violated some federal laws around government procurement and "gifts" from contractors to the government.
The update was meant to fix a situation where an attacker would somehow get grub onto a machine that was SINGLE booting windows and use grub to tamper with secureboot. this fix was meant to only apply in single boot situations where it should be entirely unexpected to see grub. as they said, something went seriously wrong.
I think it would be easier for me to empathize with the "exclusivity" argument if it weren't for the fact that PCs as a general rule are inherently open. I don't have to buy a new computer to install a new games launcher as I would with a console exclusives war. Hell most of the time you don't even have to install the official launcher as so many of them are just web wrappers/electron apps. I've been using the Heroic Games Launcher to claim my free Epic games for nearly a year and the only "downside", if you can even call it that, is that I don't get the weekly popup's letting me know what's free/on sale. Just building a huge library of free games, some of which I already own on Steam. Somebody please show me the actual downside of more competition on a single platform.
It wasn't pulled from Steam. A development company consisting of three people that put out a popular mobile game 15+ years ago got an opportunity they wouldn't otherwise have had to create a sequel and took it. They published on (shockedpikachuface) their publishers platform, as well as Nintendo consoles and their own website for people who don't like Epic. I doubt Allan, Kyle and Kyle would have had the funds or skill to do this on their own.
Ease of setup was how I just got one techie friend and two non-techie gamer friends to set up Plex servers and we had libraries shared to each other within 15-30 minutes. I don't want to think about explaining VPNs and SSL to them for the alternatives.