Because you're "passionate" about it, and making coffee gets boring.
1) the assumption that intelligence can actually be measured (in which case it's really just "analytical intelligence"), 2) the assumption that other types of intelligence are less important, 3) the fact that you can't even measure creativity, period.
I have a 148 IQ (and I'm a programmer- of COURSE I have high analytical intelligence) and I have been consistently humbled by the "less intelligent."
You don't need to measure anything like intelligence or creativity to arrive at someone's market worth. Just measure, or estimate, the value of their output.
So: how much value are they creating that other humans are prepared to pay for?