askchapo

Kind of there was a lot of background info on this that led to this.

To summarize Raja (Rampage's son) has some deep psychological issues. This is because his dad bullys the guy about it in a textbook toxic masculinity sense. Always shitting on the guy, belittling him, saying things I can't say here. Thus Raja has internalized this message, this has made him hypersensitive to any 'slight to his manhood', and he handles it like a toxic masculine would.

So when the wrestler pulls a prank on him prior to the match, he takes that as a slight. It's time to beat the hell out of this guy to show himself, his kick followers, and most importantly his dad how much of a 'man' he is.

Edit: This isnt armchair psychological evaluation btw. Raja literally said it himself before and after the incident.