I mean it predates a lot of the pervy anime, but Usenet looked the same at the start with lots of Unix/computer boards and an alt.
Computer enthusiasts gonna enthusiastically talk about computers. People who pick up and move to a new platform are likely to be united around being technically competent enough to get there first, and everything else second.
That’s probably closer today than it was then. The added complication being that client is probably not thin enough for them to return to mainframe model which would be vastly easier to monetize.
Besides we got WSL out of the bargain, so at least inter op isn’t a reverse engineering job. Its poetically the reason linux ended up killing the last few win sever shops I knew. Why bother running win sever x just to run apache under linux. Why bother with hyper v when you can pull a whole docker image.
If the fortune 500 execs are sold on microsoft ita mostly as a complicated contactual absolution of cyber security blame.