My answer on " Should I shoot underexposed photos? " - has 20 votes, and the accepted answer has 10. Why isn't this the Populist badge?
Populist - "Provided an answer that outscored an accepted answer with 10 votes by 2x"
It's > in both cases.
So the post must have 11 (> 10) and your answer must have > 22
I'll see if we can clarify the description there.