NIST has been saying since 2016 not to use SMS for MFA. It’s always been horribly insecure.

Germanium and gallium are not that rare. They’re produced as a byproduct of other types of mining (zinc, aluminum, coal, etc). China has a monopoly on them not because of any kind of special geology, but because they were willing to sell them below cost for decades.

It won’t take long for alternative sources to spin up and become available, especially because China has been threatening to do this for over a year.