This is the thing members of the public need to understand when they hear about healthcare understaffing and "shortages"
If we're understaffed, it's not just a matter of us working harder. It's a matter of corporations gambling with your lives and exploiting our commitment to our professional licenses to prevent that from happening. When faced with this untenable situation, we have no choice but to quit, and a lot of people have left healthcare entirely because they're tired of fighting with corporations rolling the dice.
At least part of the "shortages" you hear about are artificial, driven by these losses. Those people who left still exist, still have their training, and can renew their licenses and return to the industry if we can finally fix the horrific working conditions.