How do you opt out for already created content in the past?

Copyright and license laws for you, not for me. This is the biggest theft ever.

A next generation open source ww2/propeller combat flight sim from the community by the community. Sims (of any type) are a captive market so they are barely what they could be in this day and age. Open source sim and libraries could help in “pulling a Blender” with a next gen engine like Bevy engine.