The human cognitive measure for egregious pay is not: Pay > Marginal Utility to Humanity, otherwise there's millions of jobs that provide Pay > MuH or even where Pay > 0 > MuH, and I don't hear people complaining about that fact very often. If you look at it through this assumption that compensation should be provided in exchange for providing a benefit to the world, complaining about LetsEncrypt dev salaries begins to look ridiculous.