One explanation for Trump Derangement Syndrome.
Like the Wuhan Flu pandemic, it was manufactured.
Since World War II America has stepped into the role of the British Empire in attempting to secure peaceful trade on the high seas.
This entailed the creation of an international financial order based on secular authorities manipulating and controlling Western democracies.
The nature of democracy requires this control to be indirect, and hidden from public view.
This new world order was a collaboration of several international institutions over several generations. The City of London, the World Economic Forum, the Chinese Communist Party, all contributed.
One of the core principles on which this new order rested was that the United States would fund a free trade system that would eliminate the American middle class, aid the international ultra rich, and use the American military to forward European international goals.
Clinton, Obama, and Biden enthusiastically cooperated with this anti-American international order. The permanent bureaucracy in America, the so-called deep state, cooperated with and subordinated the mass media, Hollywood, the educational system, the Press.
When Trump ran for president on a platform of ending endless and aimless foreign wars, of ceasing cooperation with jihadist terrorists, and of closing the borders to prevent illegal aliens entering the country, the three basic most fundamental policies of the international order were directly threatened.
The fourth most basic policy, namely that of using the international financial system to defraud the United States of billions of dollars in order to fund socialism at home and abroad, and to organize fake elections was directly threatened later.
The news media at the direction of the deep state cooperated with the CIA and the FBI and overseas intelligence agencies to concoct the Russian collusion hoax, and to blacken and demean and defame Trump's name in every way possible.
But Trump was a public figure before he ran for office. We know his character. We know he's not a racist, not a pedophile, not a rude man, not a criminal, not a grifter. He lived in the public eye for three decades.
In the other comments below which answer your question, please note how many merely insult Trump for things which before he ran for president no one, not one person, no one ever, accused him of.
The hatred directed at him is entirely invented.
It is manipulated into existence by very careful mass marketing techniques used by scientifically trained psychological warfare operatives working for the press.
They know how to drive people crazy. They did so. The people are crazy now.
They know how to create false narratives. They did so. The Ukraine phone call hoax, the Very Fine People hoax, the Epstein file hoax, and so on.
In proof of which, I will ask a simple hypothetical question.
Is there anything, anything at all, anything at all no matter how ridiculous, that a modern left-wing Democrat would not believe if he heard Trump accused of it?