The thing is, there is a good chance that they aren't explicitly preferring their own products, just that they are the most popular products.
They are trying to find what people want to see when they search. If most people who search "email" want Gmail, then it should be at the top.
It's going to be almost impossible to prove that they aren't just better than the competitors at finding what people want vs manipulating search results in their favor.
They are trying to find what people want to see when they search. If most people who search "email" want Gmail, then it should be at the top.
It's going to be almost impossible to prove that they aren't just better than the competitors at finding what people want vs manipulating search results in their favor.