I think most people who challenged lost, but it didn’t stop them from trying… Regardless, the courts weren’t getting the money from the fines, at least not enough to compensate for the amount of time people took up.
https://www.ncsc.org/__data/assets/pdf_file/0029/16769/sosa_photospeedenforceaz.pdf
Worst bullying I dealt with was when I went to a (not cheap) private school, so I don’t think that’s all that relevant.