Stage? No. Elon is driven by emotions. When things don't go his way, he will fiercely lash out. He called the Thai cave rescuers "Pedo". Now he is implying that Trump is also a Pedo.
Elon spent the last 2-3 days attacking Trump's big beautiful bill, Trump just diam diam until he was asked about it and Trump gave a pretty mild response, expressing disappointment, and Elon ratchet the heat to 11.
Earlier in the year, when Elon tried to interfere in the Wisconsin supreme court election, and lost badly, he was already deemed a political burden. So he is being discarded by the GOP. And Elon knows he is being discarded by the GOP. There was a report about Elon asking to extend his stay in the Trump admin and he was declined.
I am surprised the bromance lasted this long, about 9 months. But also goes to show that money cannot buy you friends.