Since when? Trump threatens anyone who even mentions going to another form of currency.
Trump doesn't necessarily understand all the issues with a reserve currency.
Similarly, most people including TERB members react to headlines (like the umpteenth Gold article here) without much understanding.
Ideally, the Western financial system is the focal point for global trade. It gives the West some leverage over rogue states. As we have seen with China and Russia, there are ways to conduct trade outside the Western financial system.
However, transacting and holding reserves are two very different things. This point can't be stressed enough because there is so much bad information.