Honestly, is incredibly easy to spritz them when measuring, throw em in the grinder and be done.
I’ve never really read much on the actual effects of water on the coffee flavor itself, just the wonderful lack of static. I don’t screw with espresso as I’m at my limit for expensive hobbies. I have in the past and a half gram will make a noticable difference in a shot. Enough to ruin it? Completely subjective.