The answer is always yes, they are making money or else they wouldn't be offering the service. The only question that matters is if they're legit.
hmmmm, as long as they still paying
just play this game

anyway, always "afford what u can lose"
Early adopters can benefit from a ponzi but you're putting yourself and the entire community at a huge risk of loss. Not just money but a loss of trust by potential adopters.
At some point people have to stop investing in companies that have no transparency. If there's no proof PB is mining, they're not mining.