My guess would be that the best paid employees have the least time and interest to participate in Glassdoor. Especially as you progress in your career, stack r

My guess would be that the best paid employees have the least time and interest to participate in Glassdoor. Especially as you progress in your career, stack ranking against generic SE levels becomes less relevant. For instance I wouldn't write off a company just because their reported "senior software engineer" average salary was below my requirements, because I know there are many reasons they could be willing to pay more.