ARMY raised BTS up out of gratitude for their music and love for the group itself whereas kpop fandoms today seem to only be chasing BTS' achievements. They would not even consider a grammy if it weren't for BTS getting close to having one. Neither Billboard or even the probability of being called "Global".
Think about it, no fandom that was chasing somebody would promote their faves like ARMY would promote BTS. They promoted to strangers online, on the street, literally every way they could promote they would. They were mocked and bullied for trying hard to get BTS noticed. These fans wanted to give BTS what they and their music deserved, and that was to be listened to. THAT was their driving force.
"If you only listen to bts without prejudice you'll understand why we love them"
"thank you BTS for saving me"
They made every single one of BTS' dreams come true out of gratitude and love.
Other kpop fandoms will not get their faves far with their current mentality. Because I can bet my bottom dollar that the next BTS that everyone is itching for will have inspired people like BTS inspired their fans.