Sometimes I feel like companies have no plans for their groups because they don't actually know how to make them more popular or how to prevent their popularity from degrading
They just record music, MVs, create a choreography, release them, make some money, schedule some concerts, makes more money and then repeat
YG - Literally everyone there, currently is Blackpink and Treasure
Cube - Everyone after any controversy breaks
*In specific case of Source, I'm sure what happened was they have no really vision for GFriend and delegated for Hybe the decision of what to do you with their careers and then they undergo a change in concept and music that result in Crossroads, Apple and Mago, while I love those songs and wanted Gfriend to continue releasing them it was clear it far alienated their fandom
But in any case Hybe still made a plan, even if the plan somewhat failed, while Source just had no plans