Eh, content is content.

What could possibly be toxic about the karma system though? Like, what exactly is wrong with allowing people to a) upvote what they like and b) downvote what they don't like?

Your question implies that there is something wrong with this but you don't say what that actually is... just that it's toxic.

Call it "updoots" instead.

How do you feel about Digg?

Hey wait... I loved your tldr of the honey bee crisis: https://lemmy.world/post/474795