Trump is oblivious to the fact that BRICS is now a bigger economy than the G7. The US is no longer an essential part of the global economy.
Increasing trade outside of the dollar is the only way countries can protect themselves from economic coercion by the US. In particular, China can obviously see that the US will go after them the same way they did with Russia. So, it would be suicide to agree to tie their global trade to the dollar.
Meanwhile, China also happens to be a bigger trade partner than the US for most of the world. So if it comes to choosing between the US and China, it's not really much of a choice. Especially given that China exports things people actually need, while the US barely has any manufacturing industry left accounting for less than 15% of the overall economy. The US is a big market, but it's not essential the way China is.
I don't get it, he's not even sworn in yet, right? Is this supposed to be his idea of intimidating people? "Don't you dare leave me or I'll hurt you more"? I guess he's on track for once again tanking any remaining semblance of US popularity in the wider world. Better for the world that way, that people see the US for the gangster state that it is.
it does come across as being pretty desperate doesn't it