I didn't glimpse the 'disrespect' Z did to all us citizens??
it is, once again, manufactured outrage. IMO this was a planned ambush. as has occurred many times in the past, trump made grandiose statements about how he's going to easily solve a complex problem, and once faced with the reality of that complexity he realizes that he in fact cannot solve it, so he needs an out (classic example: healthcare, during trump1.0: "who knew healthcare was so complicated??"). he recently realized that Ukraine and the ruzzia are too far apart, he cannot force peace, so he needs an excuse to ditch the whole effort. "zelensky was disrespectful so we can't do business with him" is what the landed on.
usual narrative would be for trump to walk away, but this story has a twist: now that Ukraine has been dumped, trump feels free to sign an aluminium deal with putin. see? he's still a winner! 4D chess! 10 moves ahead! ignore the man behind the curtain! etc.