[cadamsdotcom]

It'll get replaced with something even more annoying that isn't called advertising but is functionally identical.

People make things then talk about them. It's normal.

A careful read of this piece should show you why advertising was invented in the first place and why it's fundamental to commerce.

Unless you want to go back to buying from your neighbor or buying only what your limited circle of friends can recommend you?

[t0bia_s]

Why product needs advertisement? Because it's terrible and is unable to justify it's existence. Good product is advertisement to itself.

Imagine that market is filled only by useful products.

[cadamsdotcom]

The market will be filled with people who can't reach their audience. That's far worse.