My experience with barrel crowns says that's not good, at all. Doesn't take much of a knick in a crown to screw up your groups and something that deep is a downright disaster.
If the gun came that way, out of the box, then there's no question it's Ruger's liability and, of course, they'll stand behind it. If you start shooting it, then it becomes a used gun and liability gets a little on the fuzzy side. I have no doubt Ruger would still take care of it, but with that front sight being a mess, too, I'd let Ruger take care of it, right now.