Yes and there's even a stronger argument that we could REQUIRE frontier model to be open weight / open source.

At the end of the day they were built from data that did not belong to them. So it would be fair that humanity REQUIRES to give back the output of that.

It's a bit like the free software thing: you can still make money from it and providing service to it, but if you build it based on another free stuff the derivative should be free.

Why not do the same for intelligence ?