Trumpism is only an impulse, but it is a fully coherent one -- withdrawal from increasing entanglement with the world beyond our borders in the form of trade, military adventure, and ingress of immigrants
Covid ironically imposed the attainment of many of those goals
Yes, Trump is entirely a huckster with no concrete policy to enact that vision who wound up mostly doing what the congressional GOP wanted him to do; but he won by speaking to the impulses -- a variant of "middle American radicalism" that now bears his name
On middle American radicalism https://carnegieendowment.org/2015/10/02/return-of-middle-american-radical-pub-61534
There are those who prospered by increasing integration with the world and others who were in fact immiserated by it. This is the political fault line running through every post-industrial country in the world.
The response of those who prospered through integration to the revolt of those who did not has been the adoption of heavily moralized discourses meant to cast dissent beyond the pale -- a mutual co-optation process between the woke and the ascendant classes of tech and finance
The campaign against disinformation and push to assert control over the tech platforms because of "hate" and "harassment" is their bid to manage democracy in their interests and prevent any further recrudescence of resistance