Doesn't everyone working on Postgres have 'vested interests' on working on it? Isn't this what we want - that people have their own various motivations for con

Doesn't everyone working on Postgres have 'vested interests' on working on it? Isn't this what we want - that people have their own various motivations for contributing to an open source project? A healthy process is one that allows for contributions, variously motivated, to be discussed and accepted or not.