My personal problem is that I’m so bad at using it

It’s not you, it’s just that Windows is badly designed.

IIRC, Collabora is based off of LibreOffice.

is still clunky compared to others.

Wut?

Remember the other day when Microsoft boasted that 40% of their code is written by AI?

It’s true for any variation of Linux. Hell, the vulnerability (Mimikatz) that was crucial in the most expensive cyber security attack in history is still there in Windows.

And for X11 to be exploited you would need to get and run malicious code in the first place. The Linux security model kicks in before you get to that point.

The security model is also very different between Linux and Windows. Linux is just inherently more secure.