Alright, very small proportion of the population
>senior engineers
even smaller
>highly-skilled senior engineers
I cannot even begin to tell you how small of a proportion it is. By the way, you forgot a factor:
>highly-skilled senior engineers that happen to live in the right area (read: SF or NYC) and that are in the right domain
cool cool cool, so a few thousand people per generation can retire comfortably at 40. I'm sure the other 300 million of americans are happy to hear about that. Anything as long as you got yours, right ?