I think they are looking for someone who is a stupid sucker that won't complain when their workplace is badly designed, badly managed and without proper boundar

I think they are looking for someone who is a stupid sucker that won't complain when their workplace is badly designed, badly managed and without proper boundaries. At the same time it tells me that your company is precisely that: badly managed. If your company needs "gritty" employees once every couple of years when some catastrophic unforeseeable event happens, good. When you need gritty employees on a daily basis that smells like someone is unable to organize their core business. The exception would maybe be if your company is in the business of incident response or similar, where employees must expect a certain type of "bursty" workload given the nature of the business. But then you will probably pay them like lords.