It makes sense to care about a 'startup' if it's like a few small teams, everyone knows each other, resources are still constrained, etc. But when the company

It makes sense to care about a 'startup' if it's like a few small teams, everyone knows each other, resources are still constrained, etc. But when the company is public or on their series Z funding round and the once nimble startup has devolved into a big ball of bureaucracy- the psychologically healthier thing is to not care. Your project may be no-scoped by a higher up for no discernable reason. Your trash manager was probably imported from a similarly bureaucratically burdened company and will import and impose their bullshit. You don't have any real agency or identity to this company which will treat you as an interchangeable resource. Sure, try to be useful where you can but seek validation and meaning outside of work. I generally recommend a side project you have agency in that can maybe one day replace your primary employment.