Do they need to interact with them? Not really important. Also many of these ggs interact because the company debuted a new group
Thread
Why don't Blackpink interact with 4th gen girl groups?
Bts has interacted many times with Txt and Enhypen, both looked up to Bts. Many new groups like Aespa, Ive, Itzy, Nmixx have shown love to Blackpink, why haven't Blackpink acknowledged or interacted with them?