The reason they don't is they have a narrative they want to push. The entire thing is deeply flawed, from sitting vs standing when in fact it's white vs blue collar. There's plenty of sitting blue collar jobs that are brutal. Then not differentiating qualified vs unqualified blue collar work. These days qualified blue collar has similar pay to white collar and arguably more job security. But in the end there's no point digging to deep, it's just another race bait.