The hosts are there to sell,sell, sell. I worked in an R and D lab and we had a dress code.
Hubbs was interviewed for a job and told he would have to get rid of his beard. He chose not to and about 4 weeks later he was called w/the job offer.
So in answer to your ? I don't think it is necessary for the Q to have a serious DC.
There is a pharmacy in our little town that has a tech w/blue hair. I would think that is a DC violation,but there are lot of shortages in Pharmacies.