Can't speak for GP, but what I took from the quote and GP's response was that the advertising industry is kind of in a monopoly position of being able to screw

Can't speak for GP, but what I took from the quote and GP's response was that the advertising industry is kind of in a monopoly position of being able to screw all consumers over with nobody to reign them in, and now that someone is finally standing up to them and making it every so slightly more inconvenient for them, they're throwing a hissy fit, and that their statement kind of shows that they're well aware of all this and are pretty fine with it actually, and not even really trying to hide it.