It's 1996
Confused here - will AltaVista still be #1 search engine in the future?
It's 1998
Confused here - will Napster still be the #1 peer-to-peer file sharing network in the future?
It's 2000
Confused here - will MySpace still be the #1 social networking platform in the future?
Valid point, but these were (and its replacements remain) free services that users can come and go with as they please. Bitcoin and all cryptocurrencies have a buy in value, and now that Bitcoin has gotten so much public hype, do you really think Jimmy who just heard about it on CNBC and bought a few bitcoins is going to jump to WhateverCoin? Jimmy only knows and cares about two things: bitcoin and usd.