Even if you still bizarrely felt the need to kayfabe it, like ring the bell and call a DQ, you know? Why do we need a pinfall?
You could probably argue that everyone present were in various stages of shock.
This is an extremely unusual thing to have happen at a wrestling show at least in the modern era.
The distinction between who's supposed to be in there and what they've been instructed to do was woefully unclear to everyone else
The only ones who knew his real intent when he ran in the ring were the 2 guys with him, and the live chat.
The slam koed him, but that may not have been as obvious to them as it to us.
I don't think they were necessarily afraid or hesitant.
I think it was the first time any of them had seen anything that hard to process in real time.
And even once they committed to intervening, there's still the reality that they're not actually the characters they portray.
By the time they're converging, you can tell that they got there quicker than they would, and then it dawned on them that they don't actually know what to do, so you see them collectively pause, look around briefly in the hopes someone else would go first.
That delay allowed Raj to land a few more, but he was already committed to pouring it on with everything he could muster.
There was no contingency plan or strategy that could have shaved any real seconds off their response time.