The question under discussion is 'open source developers posting childish rants vs not posting them'

Not

'open source developers posting childish rants vs no open source developers'

If they wanted to walk without that freedom,

they’d be hacking on shit over at Mozilla (or similar - likely for more money) right?

I have no idea what you're talking about

I’m not too sure how to help with that.

Read more about contributing to open source, who contributes, under what circumstances.

For example: are you familiar with Linus Torvalds?