It's worth remembering that the origin of BRICS was the Goldman Sachs portfolio for emerging markets. For some bizarre reason the term became loved by Western far left and then took a life of its own.

I did not claim the opposite. Although I do question the morality of partnering with Russia in 2024.

Yes, it is. Every government is a regime:

https://www.dictionary.com/browse/regime

The word frequently has a negative connotation, but that isn't strictly part of the definition.