Damn good question.
He should have shot the damn thing down when it entered Alaskan airspace.
So, why didn’t he? Why did he wait until it had left the US?
We all know the reason.
HE JUST DID, ACTUALLY; BIDEN SHOULD SHOOT DOWN THAT SPY BALLOON! WELL HE SHOULD HAVE DONE IT SOONER; DOESN'T MATTER WHAT HE DOES, YOU'LL STILL WHINE AND COMPLAIN ABOUT IT