I look at that resume and I wonder if it didn't hurt more than it helped; it's form over function, and a bit corny. The fact that he got multiple offers in two months shows how strong the software job market is. I'm several years younger, but a staff-level hardware engineer at a second tier company (top tier being FAANG). I've had an incredibly difficult time jumping companies --- 2 years and counting. Despite being…
Could it be that you are overqualified? How was your PhD experience, do you think it has helped your career considering the opportunity cost?
So it's not a big moneymaker. But it's certainly not the biggest financial hit you can take in life; having children will cost you a lot more and loads of people do that.
If you look at lifetime salary surveys, you'll find people with doctoral degrees earn more - and some people will say even if a PhD doesn't boost your salary on the day of graduation, your salary will rise faster and higher than your peers. But that could easily be confounded by the fact you've got to have good grades, or ambition towards fancy titles, in order to get a PhD.
There are exceptions, of course; if you want to become a professional academic, if you target a job at a company's research division and choose your research accordingly, or if moves you into a new immigration status. There's no doubt the likes of Chris Urmson and Anthony Levandowski made a lot of money on the back of their PhDs.