These companies are officially registered — otherwise they wouldn’t be able to have a bank account and place recruitment ads online. Vacancy by a scam PPL agent seeking women to work from their own profiles.
In cases where a substitute is a male (which happens fairly often), the substitutes inform their “identity bearer” about communications they are having with men.
Some males post photos and names of women that they are in contact with accusing them in scams, which could affect the woman’s other prospects in life.
Nothing has changed in the last 2 years, except for the ways how agents mask their money-grabbing schemes. The names of companies, phone numbers, email addresses — all details are accessible on job portals.
Most likely the only reason letters are written is to earn money.
However, since writers only earn money when the PPL website earns money, the administrators and owners of PPL ventures have no incentive whatsoever to conquer fraud. And for as long as appearances are maintained, PPL sites’ main goal is to make money and not to protect paying customers from abuse.
PPL sites have systems of fines for agents who fail to notice sharing of direct contact details between users (which is prohibited, because users then can communicate off the site and it will not earn any money).