There are two usecases: 1/ general purpose, 2/ customer controlled.

Mistral is focused on the second one and every customer, whether it's Boeing or Airbus or Nokia or Glencore, will want lots of control over 'their' models. That's not a North American moral values thing.

For the first one yes there will be at most 2 or 3 model cultures but even there I think some customers will want really open and some will want more walled gardens.