I think it could be quite useful for someone who already has a job and type currency paid for already to get some extra money in off time, also they are already flying to SOP’s on a regular basis.
But as a main income standalone it might not work so well as the costs of keeping current are prohibitive (2 hours Training / 2 Hour LPC, €8000 on AW139) and the standards will be lower as nobody (except for yourself) has ownership of your training / currency.
So I see standards falling over time if this model becomes widespread, pilots seem to be one of the few sectors that allow themselves to pay to go to work on a massive scale