They are not required to give back. If you find that wrong, there are licenses you can use to enforce that. The licensing of code is your chance to say what y

They are not required to give back. If you find that wrong, there are licenses you can use to enforce that. The licensing of code is your chance to say what you expect. Expecting them to do more is a "shitty policy." You can hope. But being angry that you failed to sell the value of contributing back to your particular project is silly.