You're 100% correct, but that's the point. People who aren't really interested need a starting point. My example does nothing to explain the true purpose of crypto or how revolutionary it is -- you're right, but it provides a short glimpse at it so they can get interested enough to learn more.

The other points you make are what I believe as well, but those points will be completely lost on 90% of people who aren't currently already in on cryptos. They will think we're crazy instead of giving us a chance to teach them more.