Ho well, about going blind, yes it needs be done properly. I were used to "server first" somewhere else so that the reason I'd like sometime revive that awesome moments where you don't know anything of what's ahead. Today is almost impossible, as long as now you get in with groups that, even if DF, most players already know things.
But go blind and go careless are two distinct things. If I learn that killing the turtle is bad, I will never kill the turtle again. When someone headlessly will continue to kill that ***** turtle, here we have a problem