I'm sure this is at least partly tied-in to their ongoing, illegal efforts to crush labor organizing at their plants. https://www.reuters.com/article/us-tesla-nlrb/worker-testifi...
How many tech workers would like their terms of employment, including compensation, to be decided by negotiations between a union and a company?
They also provide additional insurances for things like glasses, funding for education, and a range of subsidised country cottages with outdoor hot tubs for summer holidays. Seriously, you guys are missing out.