Reasonably well paid people are susceptible to bribes, too.

Look at it like a probabilistic scenario.

Minimum wage, as demonstrated by the pandemic, is nowhere the level of pay.

Of course everyone can be corrupted, but the probability diminishs greatly with just basic care.

Yeah but if you're not resorting to just hiring anyone off the street who can talk sales, you get less morons applying in the first place. Less morons, less people who might be willing to treat that "stand in a mall and upsell people" job like they'd do flipping burgers and snotting into the mayonaise, or who need some "side hustle" cash just to make rent.

Pay peanuts and everyone and their dog will apply, pay appropriately and you'll get higher quality applications that you can afford to actually vet.