This is the reason why I became a CPST! I was working at a breastfeeding clinic and saw dozens of babies each week, improperly secured in their bucket seats. I felt I needed a credential in order to point out the misuse. I would say,
"by the way, I am a car seat technician. Can I help you make sure that your baby is properly secured?"
But, in retrospect, had I been a bit braver, I could have skipped the week-long training and just said,
"I'm NOT a car seat...