They learned and they understand and now they adopt Bitcoin.
There are a lot of changes that happened recently, if you will listen to that news the number of countries that have been legalizing Bitcoin was increased and big individual and constitutional investors have been invested in Bitcoin.  The reason before they criticized Bitcoin is because it is a fraud, Ponzi scheme, or a threat to the financial system which is bad to their view.

But now, look at them, they have changed their mind and accept Bitcoin because they already learn on it and gained knowledge which is Bitcoin has been proven and tested that it can be profited in a long run.