[i-am-fnord]

> People are assuming that some evil mustache-twirling PM/engineer decided to charge users more if they have credits in their account.

> The ML model, after much historical analysis, figured out that it can charge users more if they have credits available. The relevant engineers treated the ML model as a black box, ran an A/B test, saw a 1.3% increase in revenue, and decided to roll it out.

This is the same thing. The fact that they might be turning a blind eye to why the ML model optimised the way it did doesn't absolve them from responsibility.