Comment by IshKebab

> The main evidence is that they haven't.

They have taken many gradual steps in the direction of locking things down.

> it would be quite damaging to an important part of their user base.

Not as important as we'd hope. Look at iOS.

> Other than that, you're essentially asking me to prove a negative.

They could have said "we won't ever lock down macOS". They haven't.

I'll file this under "mark my words". Like this one :-D

(I think it will probably take longer than 7 years though; maybe 15.)