> I don't understand

We really need to retire this phrase, it’s become a humblebrag way of calling the other party delusional without even trying to understand.

The list here though is long: priorities, accuracy concerns, blurring the line on official support, IP restrictions with third parties (even Apple uses plenty of licensed cores), etc.

I don't see it that way. It's just the GP poster saying that they don't get it. Usually that means the GP poster isn't experienced enough to understand the rationality. So I generally assume the GP poster is simply naive.