This is the real issue. It's considered less-skilled and therefore by supply/ demand more can do it and it pays less. I think this is probably only because it'

This is the real issue. It's considered less-skilled and therefore by supply/ demand more can do it and it pays less. I think this is probably only because it's harder to assess skill in it, though. It's easy to test for knowing the vagaries of the ADAM solver or statistics or whatever. What is the equivalent for being a good data cleaner, though?