If it’s unlimited PTO, why not take 52 weeks off a year? I got a job offer from a company that offered unlimited PTO a few months back and wish I had accepted

If it’s unlimited PTO, why not take 52 weeks off a year? I got a job offer from a company that offered unlimited PTO a few months back and wish I had accepted and then given that a shot. Edit: If you’re downvoting me because “of course unlimited doesn’t mean unlimited”, you’ve just stumbled across the reason why unlimited PTO policies are nonsense.