They became successful really fast, less than two years into their careers. That's awesome, but it also brings challenges.Ador, Mhj, and Hybe need to figure out how to make sure the girls keep going up or at least stay where they are now throughout their careers.
The tricky part is, if they don't keep doing well, they will fall harder, and it will be much more hurtful compared to other groups that didn't even achieve what they have. They have to keep doing better than their latest work and push themselves harder in each comeback.
Since they don't really have competitors globally among their peers, it's even scarier if Ador and Mhj get too comfortable and start giving less effort. This is why having competition is good; it keeps them motivated.
Looking at Itzy is a lesson even when both groups have a different trajectory. They were doing really well since debut, but now people are mocking them, and they're not even in the top 5 of 4th gen gg anymore.
Newjeans and their company have a lot to prove and work to keep maintaining their position.