It's not as much of a Microsoft problem, as it is the problem of the whole app notarization concept, which is extremely hostile to both consumers and developers and provides little to none security benefits. If Apple didn't have that crap in place, not Microsoft and not anyone else would be able to pull off such stunt.

They already stole Microsoft Access 2019 from me on Windows as they switched me from a Professional license to Home and Small Business or whatever.

False.

Microsoft breaks things they don't own.

I have a perpetually licenced cheese sandwich in the kitchen. I bought it, it's mine.