Explain the former

The best reason is the simplest one. People have job where they rely on a piece of software. If you took years to master something like Adobe Photoshop and later switched to linux only for all that to go away and you being forced to use something different like Gimp, you would 100% be pissed off

Bro is still on Slackware

I didnt really understand the title or the contents due to it being in a foreign language but is it something to do about vegans winning against non vegans or someone starting a new Vegan fund or something like that?