Who were 'they'? The same people who were telling you you'd be zooming around a bitcoin-powered metaverse on your Segway, then having your self-driving car bring you back to your 3d-printed house to watch 3d TV?

There's a certain type of person who sees a new thing, and goes "this will change everything". For every new thing. Very occasionally, they're right, by accident. In general, it's safest to be very, very sceptical.