Perhaps he who, speaking from the world’s biggest stage in the world, regularly and consistently use terms to denigrate and embarrass others has set the tone? You the mother fucking best” is, at least, a complement. Not ” Slimeball James Comey” or “Wacky and Deranged Omarosa” or “Fat Jerry” or “Pencil Neck,” or “Head Clown Chuck Schumer” or….https://en.wikipedia.org/…/List_of_nicknames_used_by…. How about ““little Adam Schitt” or think about: “In a single speech on Friday alone, he managed to throw out a “hell,” an “ass” and a couple of “bullshits” for good measure. In the course of just one rally in Panama City Beach, Fla., earlier this month, he tossed out 10 “hells,” three “damns” and a “crap.” The audiences did not seem to mind. They cheered and whooped and applauded.” (see also The Profanity President: Trump’s Four-Letter Vocabulary)
By the way, I really do not give a shit about people saying fuck. I use the term myself once in a while.