Dan, if I was told by someone that couriers were having difficulty collecting stuff and that my order would be delayed, then I'd probably expect my order to be delayed.
And if the same company were suffering power surges, and their website was down, then I'd probably surmise that they were having problems, and that I'd expect delays.
And even if said company were managing to process stuff in their warehouse, and get it ready for collection, I'd be able to understand that if the van's can't get to and from the depots, and I'd expect delays.
I wouldn't be trawling forums desperately searching for someone to whinge at.