Im fine with reposts, even reposts without credit. But reposting a meme from one lemmy community to another lemmy community a day after the original and not crediting/cross-posting is just shitty and pointless. Sharing a meme to another platform is the digital version of telling a joke, sharing it to the same platform is the digital version of saying someone else’s joke louder.
There is a point though: If cm0002 uses the cross-posting feature, it’ll show the post’s original instance. That might drive traffic to the original instance, which cm0002 does not want. Because cm0002 is on a one-man mission to starve certain instances to death.