Because of the number of officials needed to work regionals, its often "all hands on deck."

Officials for state are selected based upon the number of coaches/administrators' votes for that official.

Inadvertent whistles happen, at all levels, in all sports. The OP rules aren't complicated but the double 30 second tiebreakers don't happen often (I had one this year). I remind the kids to keep wrestling at the beginning of each b/c I expect them to think its sudden death (and it reminds me).