That's also because they have to sell things we don't need to buy, 99.9% of the time. They don't have an offer for what I would buy today, they offer me somethi

That's also because they have to sell things we don't need to buy, 99.9% of the time. They don't have an offer for what I would buy today, they offer me something completely unrelated. The ads are not helpful. But if they focused on helpful ads their profits would be too small. Google once had the right approach - showing ads related to the search terms. It was polite and nicely delineated. But that wasn't going to earn them money from unrelated ad campaigns.