Top umpires in cricket have played the game at a high level.
There are currently three Englishmen on the ICC Elite panel:
Illingworth - 9 Tests - 25ODIs - 376FC
Kettleborough - 5 years first class cricket for Yorks and Middlesex
Gough - England U19 captain and 67FC matches
Also on the list...
I think if they do the first part properly, there is no need for a referee's post match interview.
I'm not aware of the post match referee interview in egg chasing because you have already heard the full communication between ref, TMO and assistant refs and the ref's explanation to both...