Yes, listen to Trump is to fool yourself. How many times did he make any loud statements on any occasion, and after a couple of days he did everything, on the contrary, without a twinge of conscience. He is a showman and it's time to get used to his baseless statements. Let's see what will happen this time.
When Trump tweets something looks seriously, we should understan it in opposite meanings. From my observations, most of time, Trump does reversely with what he tweets, weeks or months later after his tweets. Someday later, Trump might tweet that crypto currencies in general and bitcoin in particular are future of human civilization.