If you bought bitcoin in 2015 and hodled you would have 2000% profit now. Don't even go there.If you give dollars IRL to a scammer you don't get it back. There are so many false and useless claims with these narratives. Just make an opinion on your own or if you want to only listen to "important" people listen to the people that invested in Facebook and built all the Silicon Valley (Winklevoss, Draper, Andressen Horowitz, Wozniak, Jack dorsey, YC etc etc etc). Their opinion matters.
it's always like that with any breaking the status quo technology. either make it big or break. it doesn't matter if you think this particular technology will fail. it doesn't make it a scam. your government even and your congress (I suppose you are american) believes it's not a scam since you can pay taxes in it. Hey, is something that you can pay taxes with a currency? No? Why?