I heard the same kind of dog shit at a blockchain meet-up I attended recently. I told them a few facts about Steem and they were baffled.
One guy told me he held 55 STEEM in his account but never looked back after posting here for a few weeks and I plainly told him to quickly find out if he still held his keys because he was severely underestimating the future value.
Anyway.
I wonder if you should start (re)posting on YouTube again, to add your voice to the mix of uninformed Youtubers :-) Giving out claimed accounts for example?
If he finds his keys and puts them somewhere safe, he will thank you in a few years :)
Yup - I remember now we exchanged info actually, I'll check out if he found his keys yet :D