If its linked to things like achievements and stuff, yeah, it's pretty important. I understand this isn't money they're dealing with, but it is time and I would be fairly annoyed if I had dozens of hours into a run and lost an achievement I was targeting due to some server side screw up.
I wouldn't run around cursing their name but I would probably stop playing for a period of time. Whether or not that's a problem depends on their business model.
I wouldn't run around cursing their name but I would probably stop playing for a period of time. Whether or not that's a problem depends on their business model.