There is no doubt than simply withdrawing from OT for a week would see the whole system grind to a halt.
But equally, the management types still there have shown little regards for the facts, and a reluctance to admit any fault in the current day to day results of their prior decisions.
The solution in their minds is to simply issue NOTAMS reclassifying the levels if service provided - i e. none.
I truly believe that will continue to be their strategy in the case of PIA, right up to the point