Idk have you ever considered because the boss wants to minimize costs and paying engineers 50x (or even 2x or w/e) isn't the norm in the industry so they don't? Chalking it up to "it's hard to evaluate" seems to be missing common sense.
https://pando.com/2014/03/22/revealed-apple-and-googles-wage...
It goes on and on. This is just Pando's reporting: https://pando.com/tag/techtopus/