You cannot be serious it. All of the ad tech companies produce a service people want otherwise no one would use them! There may be other services that might be

You cannot be serious it. All of the ad tech companies produce a service people want otherwise no one would use them! There may be other services that might be better if not for network effects, but it is trivially true that a search engine is better for most people than no search engine at all. And that is what is produced.