To be fair, usually (absolutely not all the time), it’s idiots who want to do something dumb like this. Idiots can just download pre-engineered weapons and hit print. It takes a lot more thought to manufacture a metal weapon. So that takes out a huge barrier to entry.
I always flip a coin for whether I upvote or downvote. It’s not really about trying to make a decision, I’m just trying to get my thumbs in shape for that thumb wrestling tournament I have coming up.