Why would people want to look down on CZ if he previously worked in McDonalds? You regularly hear the Rag to Riches stories and it is very satisfying that someone can come from nothing and then through hard work and determination... work themselves to a stage where they are very successful.
George Soros was working at a souvenir shop, before he went to work at a Merchant bank and then became one of the most famous investors we know.
Do Won Chang (famous for Forever 21) worked three jobs simultaneously, as a gas station clerk, a janitor and a coffee shop employee and then opened his first clothing store, in 1984. (Forever 21 is now multi-national and has 480 locations across the world. It has also managed to bring in $3 billion per year.)
Source :
https://www.entrepreneur.com/article/282092Do not look down at blue collar workers, because they might work themselves into a white collar worker or the owner of the business.