That said, I don't think it's appropriate to outlaw all advertising. It should still be allowed in places where you'd be open to it anyway: in stores and other places where you spend money anyway, and in specialized publications that exist for people who intentionally want to be advertised to.
However, for when you're buying something, upselling (any questions by the seller that may result in you buying something you didn't intend to buy originally) should be illegal. It feels very insulting to me.