I don’t know what hospital you’re taking about but I can assure you that the folks you’re talking about didn’t just walk out of a surgery room. Your probably seeing non OR staff from various departments. OR staff fall under a different set of rules due to contamination and infection guidelines. Many of the folks working in hospitals wear the same scrubs all day and rarely wear a mask (New Covid guidelines have changed some of that) but they’re not in the operating rooms. The surgery staff come in their civilian clothes or maybe a set of personal scrubs, they are not allowed to wear those in the room. They change into a set provided by the hospital and change out between surgeries and those scrubs never leave the hospital. Those scrubs just don’t get thrown into a washer, those go throw a wash and decontamination process. Infection control is a high priority in the OR. You don’t want somebody coming into a room with dog hair on their scrubs nor do you want those scrubs leaving the hospital with the various fluids they can accumulate while in surgery.
Nope these guys came right into the cafeteria wearing their scrubs hats, scrub overlay on their shoes, full gowns.. I was there to do a cancer medical device lecture at the medical college. They even walked down the crowded college halls with their scrubs on. I was shocked, I tell you, shocked! Go visit a medical college cafeteria someday. But at Stanford cafeteria nor Providence nursing college cafeteria nor UCSFMed Ctr Paranassus cafeteria I never saw that happen with people wearing scrubs.