It may be too late to prevent bad things happening... But that doesn't mean we have to ensure far, far worse happens.
If we are locked in to 2 degrees warming, it doesn't follow that we might as well shoot for 10 degrees...
"Hey, Tom- why are you hitting yourself in the head with a hammer?"
"Well, it seemed like a good idea when I started, I just didn't realize it would be so painful!"
"Ummmm, then why don't you STOP hitting your head with a hammer now?"
"There is no point stopping, I already have a nasty bruise!"
