FTX is a centralized entity, surely government or authority regulation will be able to touch it. It will take time, it is known that regulation tends to lag behind technological progress. The recent fiasco gives the public the awareness of how crazy crypto has become. Governments also will take their part to "protect" the citizen, so that kinds of issues will be minimized in the foreseeable future.
In order for CBDC acts as a stablecoin, it requires to exist within the currently existing network, which is not fully centralized. That is a big no from the government and bankers' standpoint, there is no reason for them to build a platform without their control. The term itself defines it is an central bank currency, so by creating a token on cryptocurrency coin, there isn't any "centralization" at all.