Why are armies hating on blackpink?

So one of my friend is army and she posted this picture and I am really confused. What happened? Can anyone tell me why they are fighting?

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✨ mushayyy_✨ 23 06,2021

Last time I check we are all besties. Maybe they're just one of those toxic blonks and kpoppies. I'm not that updated to K-Pop anymore. reply

23 06,2021