I agree Mozilla screwed up. Especially in comparison to others such as Blender which managed to build something better than the proprietary alternatives by gathering fund through sponsors & donations without ever sacrificing their values such as the GPL openness and while keeping all the focus on Blender.

They even obtained a place at Khronos and have a voice on the future of compute & graphic standards.

I donate to Blender because I know that not a single cent is wasted.

Mozilla is the opposite, everything is wasted & there is no focus.

I would gladly donate to a new foundation for a browser that takes the same model as Blender, Godot, etc. : start small, stay focused & don't sacrifice your core values