If they don't make the website provide value to me, I will stop paying them. If things are popping up that are irrelevant to my search, that's not helping me. I

If they don't make the website provide value to me, I will stop paying them. If things are popping up that are irrelevant to my search, that's not helping me. If it's not helping me, I stop paying, and they feel a hit. It's probably not a big deal if a single person does it, but if enough people do it, then they either change to get those people back (or replace them with new customers), or they go out of business.