He is dying and will gladly take everyone else with him.
Drop dead monster

Genghis Khan
While it’s impossible to know for sure how many people perished during the Mongol conquests, many historians put the number at somewhere around 40 million. Censuses from the Middle Ages show that the population of China plummeted by tens of millions during Khan’s lifetime, and scholars estimate that he may have killed a full three-fourths of modern-day Iran’s population during his war with the Khwarezmid Empire. All told, the Mongols’ attacks may have reduced the entire world population by as much as 11 percent.

This bit of satire seems plausible because Trump associates with wackos who really believe that the end of the world may get them into heaven.

Before I figured out it was satire

Ruling to prevent victory in House, halt the new deal.
https://theonion.com/supreme-court-upholds-temporal-gerrymander-that-would-cost-democrats-1932-election

Those are lyrics from the song played at the end of Dr. Strangelove, as nuclear explosions from the Doomsday Machine were ending life on Earth.

For those of us who grew up during the era of Mutually Assured Destruction, Stanley Kubric's 1964 masterpiece still resonates.

All it took was one madman to end the world -- or perhaps an insane civilization spending so much time and effort to build the tools of its own destruction.

Today we have a madman in the most powerful elected office on the planet -- put there by insanity.

Trump is getting close to leaving this world and with his way of thinking he can't stand the thoughts of anyone being left on earth with him gone. He does have the mind that he is the only one who should have air to breathe or clean water to drink or enough funds for a family to live a decent life . If I can't be on earth nobody else should have the right to remain , so he pushes the red button of destruction .

Because if the world ended, his crypto would be worthless.

He's a mental case of huge proportions.

It sounds just like him.