McEnroe's conduct 28 years ago is not comparable to Serena Williams conduct.Perhaps you can provide an example of when a male player was punished for a similar incident.Serena Williams lost and can’t accept it. Blames umpire for sexism. Typical liberal bullshit.
On January 21, 1990, at the Australian Open in Melbourne, American tennis player John McEnroe becomes the first player since 1963 to be disqualified from a Grand Slam tournament for misconduct.
John McEnroe disqualified from the Australian Open - Jan 21, 1990 - HISTORY.com
Yet another false narrative busted. Serena wasn't even disqualified, she lost one point and then a game.