A threat actor with code execution on a Linux desktop immediately has access to the filesystem and can do whatever anyway, in practice

No.

TempleOS is a marvel in many ways, but it’s not particularly useful to any normal person. I wouldn’t even say that Terry Davis was an asshole, because it feels wrong to hold a paranoid schizophrenic responsible for his manic episodes.

Wow, tumblr really adds a lot to this image.

On the other hand, GMX (and web.de) is a notoriously bad influence on email communication and will randomly block mailservers if they feel like it while flooding all of their own users with spam. The world would be a better place without 1&1 / united internet.