If you look at this article, it was Trump and only Trump and Trump’s allies.
‘Idiots,’ ‘criminals’ and ‘scum’ — nasty politics highest in US since the Civil War (theconversation.com)
And yet…I seem to recall that Hillary, who demanded that Trump accept the results of the election when she thought she was going to win…Hillary later claimed that Trump “stole” the election. Gore fought Bush after the election results were in.
I don’t know that our political discourse is any worse now. Maybe because of COVID and people who express their whack job opinions on their computers…