Earlier quoted context omitted.
It's useful now. It could be more useful in the future, or it could be supplanted by something else. All I'm saying is that big changes don't happen as fast as people expect, and it's hard to determine where they'll go while they're happening. See: the internet, cell phones, desktop computers, space travel, etc.
Internet was expensive when it came out. Remember when it used to be pay by the hour and tied up your landline? I had internet through the University and had to kick people out of my apartment because they would sit at my computer forever. Everyone I knew in high school wanted a cellphone but couldn't afford it. Same with desktop computers. Same with space travel. Everyone wanted that that stuff but it was expensive.…
So... pretty much exactly the opposite of what you're arguing.