I expect we will see David Rock promoted this season, most all rounded for me in that Division.
I don't know how many times you've seen him (and all the others to make that judgement).
I've seen David Rock, who incidentally is a qualified coach in all manner of sports, in probably ten or more non-league matches and by and large he has been very good wthl minimal unnecessary intervention. He excels with two teams who want to get on with the game.
The highest level match I've seen him in was at Bromley last season and, sad to say, he had a very poor match in what was a challenging game.
Not sure what the "experience gained" was? Other than the unusual one of refereeing in a large famous stadium with 559 people rattling around inside. Probably a lower standard than his normal matches. Good expenses though.