You should be giving out a lot of equity to your employees.
You should be able to describe any employee as an animal at what they do.
There's at least a hundred times more people with great ideas than people that are willing to put in the effort to execute them well.
If someone is difficult to talk to, if someone cannot communicate clearly, it's a real problem in terms of their likelihood to work out.
So always keep momentum, it's this prime directive for managing a startup.
Unpopular but right is what you're going for.