The training organisations offering line training for a fee are answering a demand. That demand comes from those wannabes who feel that such training may give them an advantage when it comes to seeking employment.
FFP, be careful with your insinuation that the training organisations concerned are airlines receiving free or paying labour; the provision of such training is certainly done for a profit (it also provides a means of keeping a training department available and occupied), but it is not done as a substitute for recruiting legitimate FOs. There have certainly been schemes which were more than a little dodgy, thoug I'm not aware of any in UK. Bond/Astraeus is not one of them; several Pprune Wannabes have benefitted from their expertise through the Pprune/Astraeus assisted training scheme. We do not associate ourselves with disreputable organisations!
Scroggs