I think I have Bio-Pace on two bikes. One because it came with it and the other because that what was in the shop with the right ratios when it needed a new crankset.
I had someone go off about Bio-Pace on me until I had to tell him it was reason #2 above. He still had to tell me how wonky it feels, etc. I switch between round and bio-pace and never notice, so they must have done something right.
Bottom line: I don’t care whether it’s bio-pace or not, so please spare me your diatribe on something you have never ridden for even a mile!
Maybe that will have to be my response. Or I’ll just say. “Of course I’m quicker than you, I have Bio-Pace!” Ha!