@gamingonlinux all I hear is “We’re happy to take your efforts & roll them into our project. Oh you want our changes too? We can’t have that & our paying customers don’t want it either because the question eventually becomes why are we paying for this?”.
When you know quality of the software is so good that it’s difficult to build a billable support business model on top of it. They aren’t afraid of hobbyists, they afraid of professionals that aren’t them.