He had always been emphasizing to the kids that they should always prioritize their own strength, and having more knowledge would just be part of their strength.
Fortunately, the younger kids already have a good idea why they needed such things, that's why they were very obedient and did what they had to do before they could play.
As for the older kids, most of them had already experienced what it's like living without powerful people around them, since all the older kids hadn't been with the team since the very beginning, but experienced things outside of the team first.
They had already experienced it themselves, so most of them were also very eager to learn more, that's why they wouldn't stop their own training and continued seeking ways on how to get stronger. Of course, they also didn't forget to study more things aside from teaching the younger kids, especially when it comes to medicine as well as survival techniques.
