Yes, even when it's a publicly funded open-source dev-tool.
Just the usual immature behavior of super-genius developers who have no concept of professionalism since any company in the world will write them a yearly check of infinite money.
Out-of-touch, know-it-all.
Edit: I reread this. Adding that no one is perfect, everyone slips up, loses perspective, pouts/whines, etc... We are all human and remember a single angry tweet thread does not define a person. Twitter is toxic signal-fest that brings out the worst in people right or wrong. Cheers!