Why do high rated players rated 2k accuse lower rated players of cheating when they get beaten?

Hi guys! I'm a 1300 blitzer and recently I happily got lucky and I beat and checkmated a 2200 rated blitzer from a much worse position in a 3 minute blitz game of Fischer Random Chess 960, and soon after he blocked and unjustly accused me of using an engine.

Who gave him the right to call me a cheater? Does he honestly believe that only high rated players can find good chess moves?

I guess that's what happens when narcissistic chess players like this one think too highly of themselves coz it hurts their pride & egos when they lose to much lower rated players like me. But that still makes them sore losers right & they should just stop playing chess if I were them if they are delusional that they are oh so mighty that they can never lose.

Imagine if he told me instead that I played too well for a 1300 then I could've taken that as a compliment & appreciated him back & who knows we could have been friends ha ha ha!

Here is our awesome game below :