Trust me, I would have LOVED to flip out on the guy and send him at LEAST to the dentist (if not to the hospital). Not for the coffee spill (which did look like an accident), but the obvious lack of remorse or responsibility.
But after you have a child of your own who needs you to be there every day for them, you start thinking that getting arrested, or possibly even convicted is not the best way to go. So what can you do? Just take it and move on I guess...

Good thing that we have this Forum to vent to other X-obsessed folks who can feel your pain.