Trump still insists that he won the 2020 election by a land-slide. He offers no evidence. He offers the claim repeatedly. Millions believe him.
Too many people believe all sorts of claims that have no justification.
The results are deadly in the case of covid, disastrous to democracy in the case of Trump's political claims.
Propaganda works, if one repeats something enough, SOMEONE will believe it just because it was repeated, and unfortunately, act upon the falsehood.