You can always leave their @handle if you want to credit them. Most artists also have other channels. If they only have X... Well sucks to be them but it's thteir choice.
I think it's funny that emoji were created to solve the problem of better conveying emotions, but now we're stuck with vastly different emotions for each emoji set.
The Youtube channel "answer in progress" made a video about gacha and I still don't get it. I hate collecting junk, even more when I can't choose which junk I get.
Not all planets are the same, even within our solar system. Although it's hard to think a space travelling species would come all the way to Earth for them. On the other hand Earth could provide a comfortable home base from where they could mine minerals, metals and harvest hydrocarbons. It's easier to mine on Earth than on an asteroid.
You can always leave their @handle if you want to credit them. Most artists also have other channels. If they only have X... Well sucks to be them but it's thteir choice.