[pjmlp]

As does Capcom with .NET and others.

Still it is a matter of sinergy and culture sharing across studios, hence why despite gains achieved by engines like Unity, the huge success made by Minecraft, or Android owning a big chunk of casual mobile games market, most studios end up using C, C++ and the engines that get tier 1 support from platform owners.

The culture in the games industry has always been that IP is what matters, the pain points getting it out there not only are secondary, they are also proudly used at some random GDC talk.