petulant

Is he, like so many other CEOs in tech and media, simply taking after the examples of petulant, entitled leadership modeled by Elon Musk?

Confronted with these criticisms, Trump grew petulant.

And the public is petulant, demanding more of the same, but losing interest if you don't evolve.

Frum also views Vance's aggrieved responses whenever he's asked about "cat ladies" in the same light, as Vance's childish inability to control his petulant emotions.

Obama has his own share of hits against Trump, mocking him as a petulant, grievance-filled narcissist in his convention speech, while Michelle accused him of benefiting from the “affirmative action of generational wealth.”