37signals speaks the truth yet again with this post about why it's good to have employees that have a life beyond the workplace. "Constraints" in general provide better outcomes... because you have to be more smart and more clever to come up with them. It's not anything goes. It's what is smart and worthwhile goes.
And can I say (again) how much I love where I work now? Dear Where-I-Work-Now: I LOVE YOU.