Most free web sites pay for their upkeep with ads. It has been an unwritten agreement since forever (or at least as long as there have been ads on the web) that if you consume the content, you pay the creator by looking at the ads on their site.
Consuming the content without looking at the ads is like shoplifting because you don’t like the way a store’s checkout counter works and/or the fact that they want money from you at all.
I have (no kidding) taken u-turns to see an interesting billboard. Anyway, the analogy is flawed: You still see the billboard, even if you don’t read all of it - just like I see the ad, but may not really read it.
You ever hear the term “born sucker”?
Ever hear of "Can’t read half a sentence without
no.
Well, now you have. I also tailgate or pass annoyingly slowly to be able to read bumper stickers.