Unpaid overtime for warehouse workers? Definitely, as long as the worker doesn't squawk to L&I! Work your developers 10 hours a day, then guilt trip them to coming in on Sunday? Amazon does this constantly. Tesla, SpaceX and Blue Origin seem to have the same work culture as Amazon, even Microsoft or Adobe have better work cultures.
Oh, and Musk is all too happy to intimidate employees: https://www.thedailybeast.com/workers-say-tesla-is-trying-to...