I am being half sarcastic half serious here, but what if they are actually able to properly recommend things to you, but they want you to buy more of the other

I am being half sarcastic half serious here, but what if they are actually able to properly recommend things to you, but they want you to buy more of the other in addition to what you are currently consuming? If you look at google search results it seems more obvious that at least this is what G is interested in doing.