What’s the reason PIPs are a problem exactly? Who loses? Let’s say you actually are a bad fit, either due to effort or ability, you could try and work through

What’s the reason PIPs are a problem exactly? Who loses? Let’s say you actually are a bad fit, either due to effort or ability, you could try and work through it as a learning experience and leave when you have the opportunity. If it’s not due to any fault of your own, it gives you time to job search. The company basically gets an excuse to let you go at some point in the future.