It looks like the tariffs are affecting each one of them that they prefer focusing on their problem first before doing any meetings.

I don't know about Iran, and Russia, but China retaliated with their own tariffs, while Russia isn't doing anything significant aside from the ceasefire between them and Ukraine while India on the other hand is having some plans with the US already. I don't want to say that the BRICS is slowly crumbling just because of one person, but it seems like that's what's happening right now.

Anyway, their plan of de-dollarization will take decades before it happens, and we don't even know if it will be a successful plan. We don't even know if they're planning something that we don't even know. One thing's for sure though. The tariffs that US has imposed is affecting them in different ways.