Just as there are betting markets for the number of tweets Donald Trump will send out over the course of a week, there are scientific polls conducted on the public perception of those tweets:
...And there are many such articles. Rigged Election! https://t.co/P8scMauhcI
From 2016 through 2020, many Democrats viewed Trump as an illegitimate president. A majority of Republicans now view Joe Biden in the same way. Americans have historically responded to illegitimate, unrepresentative rule by breaking free of it. Better to do it while it is still possible to do so peaceably.