They never said they didn't.
> Really, I am not a co-processor in a bus for you to dispatch a job to me and raise an interrupt line whenever the fuck you fancy doing it.
I am! I'm perfectly capable of managing my own time and shoeing others away if needed. Please bother me! That's why I have a cell phone and a salary.
Almost certainly relevant: I work in manufacturing.
Game design is messy and some things can only really be talked through.
Also, nothing here implies that GP doesn't think through their thoughts before bouncing off ideas.