Sadly with crypto you can easily hide your tracks. People are saying he used a "washing service" to clean the coins so you can't trace where they have gone. The fact he interacted with people in the chat makes it worse.
It blows my mind that someone could sit there for hours and hours making a website and all along their plan is to steal from people.
The people on Youtube promoting these sites for the commission need to stop, they know there is a good chance people will never see their money again but they promote it anyway. That makes them just as bad as the guy running the site.