When I was there, there was a considerable backlog of students building up
You were there about a year ago, is that right? I read about the situation you describe on a Spanish forum (it might well have been a different instance though). OTOH when I was there a couple months ago I was told by someone that they were rejecting students so they may have learned that lesson.
Personally, I just had a couple days downtime early on which was not a problem since I went in the sim instead, after that everything went as planned. I did like their no-nonsense approach, unlike in the UK where IME they seem to cater for the lowest common denominator (so any monkey who's got the money ends up with a licence sooner or latter). Complaints? Well, I thought one of the instructors was a bit of a tit, but nothing that can't be sorted with a quick honest chat with the person involved.
btw, to my knowledge none of the directors are British. I think the person you refer to is one of the investors? I might be wrong again, though.
Lastly, I don't know, but I've had great experiences everywhere I've trained so far. Maybe I've just been incredibly lucky
Anyway, whichever way you do it, have fun