There's no explicit warnings about gas station attendants being sucked into the world of human trafficking, but you can certainly find such specific and explicit warnings about the risk and possibility of human trafficking in the sex work industry:

https://humantraffickinghotline.org/sex-trafficking-venuesindustries/hostessstrip-club-based

Don't be disingenuous or pedantic; the risks of that world are clear and present. Playing the sexually enlightened person doesn't remove the exploitative realities that plague the industry. No, these women shouldn't be shamed for their choices or work, never said they should. But, don't pretend the dangers and opportunities for exploitation aren't there because you think discussion of such dangers is conflation with shame.