I've never heard the term "HARKing" before. This is exactly what my advisor had me do on our experiments that couldn't confirm our initial hypotheses. I knew it was wrong because we set up the experiments in a way to eliminate confounding variables. So any conclusions drawn on data for hypotheses outside of those would be suspect. The experiments we ran were costly in time to do because we were using feedback from students using our learning system over a semester.

I quit working with her because of that, and also because she was a total asshole. I refuse to donate to my university until she's no longer on the faculty. I don't want her benefiting from my hard-earned money.