Yeah, this article is saying they’re ready to do something they’re already doing.
The one thing I would say on top of your comment, however, is that North Korea have generally been less interested in attacking other state actors and more interested in monetary crimes, like when they stole millions in crypto. China and Russia generally don’t devolve into that kind of “petty” crime; not sure about Iran though.
Yeah you get reduced hours with a number of things, particularly buses. Shops have more incentive to stay open, though.
Classic examples being Good Friday running like a regular Saturday, Saturday running like a regular Sunday but Easter Sunday is as normal because everything is already sparse enough.