>>8557179St. Louis would probably only reserve raw for her most wealthy and trusted clients, and even then they'd have to show they'd been tested before they did anything. An unwanted pregnancy or STDs are a pretty fast way to tank her career as a high-class escort, and she probably knows this.
Besides, she could use the condoms as a status symbol among the other escorts in her area. A way to assert her status as queen bee of the boat whores by showing off how many men she's capable of bagged in a single night.