

It’s probably just not worth it. MS makes the vast, vast majority of thier money on Windows licenses from the corporate sector and OEMs. Any revenue “lost” to MAS is a rounding error on thier toilet paper budget for thier offices.
Both those posts on reddit are people being paranoid (especially the pchelp post, that user is self-admittedly ignorant), perhaps not wrongly, but it is open source and used frequently enough I’d imagine someone would have said something if there were issues.
Personally, I’ve used it probably 3-4x without any issues. Take that for what you will.
EDIT: Manual instructions are here if you wanna be really, really sure.
Pretty sure calibre makes this easy if you don’t wanna reinvent the wheel