Well, things aren’t always this simple. Theoretically, he can just ask some team to make one, but I think finding the right match is important with these things. And maybe he has a few teams in his mind that can tackle this, but they could have a pipeline that can’t be disturbed right now.

Also as bbbbbbbbbb (so many b’s!) said, there could be licensing issues too. But without knowing anything about the actual games, why not create your own MechWarrior like IP? Or would that be not as interesting for the fans?