Great leaders don't try to please everyone. Great leaders don't water down their message in order to make the tribe a bit bigger. Instead, they realize that a motivated, connected tribe in the midst of a movement is far more powerful than a larger group could ever be.
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