It is of course possible that web3 is a world-changing idea and most people are unable to envision the amazing and revolutionary impact it will have in the futu

It is of course possible that web3 is a world-changing idea and most people are unable to envision the amazing and revolutionary impact it will have in the future. But criticism doesn't mean anything on its own. Those examples you listed — iPhone, Google, Facebook, etc — there were countless failures for each of those successes. You're relying on survivorship bias. Just because a new technology faces initial criticism, that doesn't mean it's guaranteed to succeed because some successful products also faced initial criticism.