> probably not any more solvable than "Why is there 'something' rather than 'nothing'.'

Or, contrariwise, how there could be "nothing" rather than "something."

> it FEELS like we have some free will in certain areas, and we need to act as though we do, or most of our other actions lose relevance.

How would you act if you were acting as though you didn't have free will? Even deciding to take a nap would be acting as if you had it. Or deciding to go cataleptic like Queequegg in Moby Dick.

You might be OK as long as you were truly cataleptic, however.