[eitland]

It's not like there isn't a number of screen recording and keylogging tools and/or malware available for any mainstream desktop OS.

Your comment makes it sound like this is a problem that only X11 has.

[microtonal]

It's not like there isn't a number of screen recording and keylogging tools and/or malware available for any mainstream desktop OS.

Sandboxed macOS apps (e.g. anything from the Mac App Store) cannot log keystrokes or make screen grabs without the user giving explicit permission to do so.