Many of those misc "do"s/"don't"s read as more good beginner practices than as general lessons. It recommends against that one particularly because it is undoab

Many of those misc "do"s/"don't"s read as more good beginner practices than as general lessons. It recommends against that one particularly because it is undoable. Sort of like recommending a *nix newb to map `rm` to `rm -i`.