I started asking real questions from stuff I actually cared about knowing like "what is the training like?" "how is the structure set up, what tier is this market?"
But the old BS questions seemed to work better, so I may go back to BS. Here are some good ones:
What is a suprising (in a good way) thing a new employee could do in the first 6 months?
find some of their BS like "we empower our employees..." and ask them about how they do that. they squirm sometimes to find an answer its fun.
How did you get your start at this company? They love to talk about themselves.
These have worked really well in the past