Here's conventional wisdom: Success makes you happy. Happiness permits you to be generous. In fact, it actually works like this: Generosity makes you happy. Happy people are more likely to be successful.
Seth GodinYes, I think it's okay to abandon the big, established, stuck tribe. It's okay to say to them, "You're not going where I need to go, and there's no way I'm going to persuade all of you to follow me. So rather than standing here watching the opportunities fade away, I'm heading off. I'm betting some of you, the best of you, will follow me.
Seth Godin