Isn't that pretty much what the naysayers said about the Internet in the early days?  And the automobile?  And the telephone?  And the computer?

Can you not see that Bitcoin is steadily evolving into something more useful than when it was first released?  They're making progress on scalability.  Computer power is increasing much faster than the economy.  We're getting better hardware wallets all the time.  And multi-signature.  Is there some fatal flaw that I'm missing?

Altcoins are useful for testing new ideas.  The best ideas will be adapted into Bitcoin, right?

Serious discussion please.