problem: people may play in survival mode with no commands.

hi! i'm the person this was made for; i have arachnophobia and it's difficult for me to play survival or even brave starting a survival save because the irrational fear response arachnophobia tends to cause makes it hard to rationalize how to get through problems others probably find really simple or straightforward. :)

i've actually been using a small redstone machine before this with the command you mentioned (one for spiders and one for cave spiders), but i have to set it up every time i begin a new save, which means looking up exactly how to do it again to make sure i don't mess up anything and then encounter a spider and have, to say the least, an extremely bad episode, lol. like i said, this probably sounds really easy to solve and deal with without an issue like arachnophobia, but unfortunately my fear and my brain make it a lot more stressful and difficult. it requires a lot of courage and energy just to achieve, which i know sounds silly if you don't deal with that, but it means i have to invest a lot of brain power into making the game playable the way it is for people without this problem.

so something like a datapack that does all those steps FOR me is huge! it allows me to not be scared of typoing a command or arranging the redstone slightly wrong and then accidentally encountering a spider monster and triggering my fear. it's not that i can't do it the other way, but for me, it takes so much more effort, and it makes it harder for me to just play the game. this changes that. now i can just start a save and not feel so much dread and fear about if i did everything right.

((additionally, the sound of spiders dying or seeing spider eyes on the ground around the world would similarly add stress and fear, because of the association. so this is even better.))

i hope that helps explain why this is such a wonderful thing someone did. we didn't know each other prior to this, so the fact they went out of their way to make it for me, simple though it was, means a lot to me as someone who this WOULDN'T have been simple for. i'm very glad if you don't need something like this! but some people definitely do, or at least will have a much much easier time enjoying the game with it. :)

anyway, as an aside for the creator: thank you SO MUCH again for this! it's exactly what i used to do with my redstone machine, but much simpler and foolproof because it only has to be programmed once. thank you sooooooo much, this was so kind of you! <3

this is pretty much what it is, except:

• since spiders and cave spiders are different entities, it gives a tag to both and does the command that kills them once instead of twice, it doesn't actually matter in something this simple but it doesn't hurt lol
• it teleports spiders into the void instead of doing /kill so there aren't random items everywhere

i didn't make this because no one else could, i made this because someone said they wanted something like it