The only thing I can think of is the author is calculating these numbers as if employees never sell the stock they are granted until retirement.
If you work for 10-15 years at a tech giant, bank your $150k in RSUs per year and then sell them all at retirement then maybe the numbers add up, if you're extraordinarily lucky.
If you work for 10-15 years at a tech giant, bank your $150k in RSUs per year and then sell them all at retirement then maybe the numbers add up, if you're extraordinarily lucky.