The RASing and RISing of Doncaster is not in itself an issue, Chevvron, and while some of the controllers are newly trained, there are no second rate ones here I assure you. Is there a difference between an approved course and the CATC course? I assume that is what you mean by "other providers".
And hacking it without controlled airspace has been a challenge to say the least in what must be some of the busiest class G in the UK.