Well that's the interesting part.
Let's say your job is to solicit donations for your hospital, we have several people here that do just that. You spend your days putting together information, answering questions, and most importantly schmoozing millionaires, amongst other things of course. When all is said and done you're responsible for $5,000,000 of donations to the hospital.
On the other hand you have someone like me. I process samples, analyze data, advise clients, put together information for papers and grants and such. When all is said and done you could put me in for somewhere around $100,000 in income.
Do you deserve to get paid 50x as much as me?
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That monster in the mirror, he just might be you. -Grover