Change starts with oneself. Connecting on an individual level, making changes on an individual level, understanding and valuing even minute consequences on the individual level - that’s what going to bring about permanent change. Not more groupthink.
We have brains and decision-making abilities for a reason. Yes, I understand society has a very influential role in how we go about our lives. But that is not some catch-all excuse for not taking any responsibility for our individual behaviors. There are two sides to the coin that both need to be addressed.