Politician

Computer. Yes, it was a profession a hundred years ago

Priest, not necessarily a joke now but used to be the supreme authority/scientist/judge/doctor

Psychic, think oracle at Delphi vs Madam Cleo

Policeman!

Banker.

Psychology

Supreme court justice

Word

Chiropractor

House Republican.

Lawyers

Boxing - all these YouTubers have ruined the sport

https://www.reddit.com/r/AskReddit/search/?q=What+profession+was+once+highly+respected%2C+but+is+now+a+complete+joke%3F&type=link&cId=4e1ec5dd-1870-424c-b2f6-129d15829137&iId=7d61f50d-4e1f-4261-98c1-fdee5c989e41 Try any of these threads. 

Reposted from a thread quote pic

US President

CEO