What Happens To Pre-MBA PE Associates that Get an MBA and Don't Break Back In?

Looking at class profiles and employment reports, it appears that there is a bit of attrition for the number of pre-MBA PE associates that actually leave with post-MBA PE jobs. Given that there are not enough seats at the table for everyone coming out of business school, where do those that fail to break back in end up? Given the recruiting timeline for post-MBA PE jobs, do these people miss out on banking recruiting opportunities? Or do these candidates tend to recognize that they'll miss out on PE post-MBA, so they choose to be proactive and recruit elsewhere from the get-go.

Just trying to understand downside scenarios and minimize risk...