There's at least one reason: much harder to make a profit in policing non-american companies and open-source models without huge (or even any) MRR. If the real

There's at least one reason: much harder to make a profit in policing non-american companies and open-source models without huge (or even any) MRR. If the real motive is profit, then open source models are likely simply not a viable means to that end.