[usefulcat]

> The reason you are seeing those ads when personalisation is turned off is that they are the only kind of scheme which can scattershot their advertising while still remaining profitable.

Do you know this for a fact, and if so, how?

[spuz]

I could state my claim more precisely and say that the services you are more likely to see advertised to large audiences are those with broad appeal or with high profit margins. In my experience those services tend to be things like banks or morally questionable things like gambling.