Then I don't want you. (Just my opinion.)

OK, so this is coming from someone who loves doing side projects:

There are just some excellent devs, which want to spend their free time with something else and IMO that's fine. As long as they know their stuff, I think they might even have a better work life balance than people like us and can thus make up for the lesser experience with more energy.
The only problem is that some devs who don't do side project are unwilling to learn new things on their own and have to be spoon fed, but that's not all of them.

@adle Yes. :D