Definitely not in TV ads except as the token idiot. There are idiots in all demographics but the others must not shown whenever possible.
Look at corporate job recruitment pages:
https://jobs.target.com/seasonal?_ga=1.143525746.632898361.1441673256
http://www8.hp.com/us/en/jobs/working-at-hp.html
http://www.apple.com/jobs/us/corporate.html