But you received an abnormally huge initial RSU grant. It's uncommon for anyone to get more than 500-600 (outside of leadership) unless you're a strategic hire and they're compensating you for unvested stock at your current employer.
Indeed it's high, but also it just shows you what is possible.
I don't think I was a highly strategic hire, just a very solid engineer with a lot of experience, prior employment at Google (and Amazon), and a strong salary and stock compensation at my immediately prior job.
So they busted out the competitive offer, and I was very happy. Also the stock went up like $200 a share.