How serious is the problem of fake degrees?

There are more than half a million PRs in the island plus many that have taken up citizenship. Assuming half of the PRs are FTs, ie professionals that are the equivalent of our PMETs, it means that there are easily 250k of them working here.

There have been complaints or rumours that are many FTs are here on fake degrees, unqualified or half qualified. There is no official statistics so far on