Let's not forget that John Oliver are a comedian and a actor.... so their main goal is to find content that are controversial. Bitcoin and Crypto currencies are one of those topics that can be exploited to push a lot of buttons and get the most reaction from viewers.
These people thrive when they can pick people and technologies apart for their own gain. So yes, Bitcoin and Crypto currencies are a easy target for them and there are a lot of scams and shitcoins that are giving them a lot of content.


then why are we posting on the topic like we should take him serously? The topic should be locked in my opinion, or moved somewhere. He's neither an economist nor a scholar with a background in finance. I should have done a little research about him.
He might merely be a politico-economic propagandist for-hire trying to influence you/spreading FUD, but without looking like he's trying to spread FUD.