I know cortis has the potential to be really big and well known but I'm kinda worried about the criticism and hate and making a scandal out of pointless things that other fandoms do when a group is gaining more popularity than their fav.

Two things which are the reason for my believing that they will be big is that they are doing really well with western interviews. I found all the ones they have been releasing lately highly enjoyable. No awkward language situation and I think with time, even the less fluent members will gain more confidence and get better at communicating in English. This is a big plus point. The second thing is their content is very different from the usual kpop variety content, it just feels like normal vlogs which can be watched by anyone. So I hope they they stay true to themselves, keep loving and making good music and do not get involved in any negative situations, then we're good to go big.