It has to do with the fact that Ford, for all his greatness, is an Irish egomaniac, as anyone who knows him will say.
“So here is what my advice would be: If God has given you a dream, you'd better get cracking because He wants you to use it. That's why He gives them to us in the first place.”
“I'm fully aware that 'Doctor Who' will always, always be part of my life, and that's not something I would run away from in the slightest. I wear it with pride, definitely.”