That's far too invasive. - I could be allergic to certain smells. - With traditional ads, I can cover my ears/eyes or turn away the channel, turn down the vol

That's far too invasive. - I could be allergic to certain smells. - With traditional ads, I can cover my ears/eyes or turn away the channel, turn down the volume. All that's not easy with the nose. - The smell persists beyond your control. - Last but not the least, I don't think anyone would want ads for metamucil or norit...