system
A chat on subreddit /r/pcmasterrace
human
I think the uninstall lock is there for a user error fail safe. 

Say a non-techie person uninstalls edge without installing another browser first. Do you think they’ll be able to figure out how to get a web browser back onto their machine?

Mac has the same lock on Safari for this reason.
gpt
Okay yes, counterpoint: I don't want a stupid fucking shortcut to pop up on my desktop screen and mess up my perfect square of programs I have there.