If ads were merely about being informative, they would be boring. But ads want to manipulate, so they have to be flashy and appeal to your emotions.
They pollute your mental headspace, and have no place in a healthy society.
Let's ban billboards. And then let's follow that up with a general purpose ban on paid advertisement.
Advertising is how small and new companies can reach customers. It's how monopolies are broken. It's how progress reaches the masses.
Yes, it is willfully intended to change people's behavior. So are many of our posts on HN. That is an important purpose for communication!
If I don’t want my behavior swayed by HN, I can stop reading it. If I don’t want my behavior swayed by advertising, I can... close my eyes every time a bus goes by, avoid any public place with an operating television, and never check my mail?
Germany has a ban on coldcalling, Sao Paulo on outdoors advertising, Chile on Mascots / Kid Targeted Branding on Cereals
We can expand on those, I won't say neccessarily kill all advetisement, but we could certainly do a lot better than the current climate