That’s true but the difference is exceedingly small.
According to 1 FDA study, the mean difference for AUC values between test and reference products was found to be 3.5% in the 2-year period following the Waxman-Hatch Act, and 80% of the absolute differences between generic products approved since 1984 and the corresponding innovator products were within a 5% range.
Debunking a Common Pharmacy Myth: The 80-125% Bioequivalence Rule Jun 8, 2016
I have never seen Discovery and SNW is very enjoyable. I am sure I am missing context, but I don’t think it is significant enough to make Discovery mandatory.