edit: seems like some people interpret “full of” as a mathematical majority which, while it may or might not be true instance to instance, isn’t my intent in posting
feel free to swap in “has a lot of” if that’s more familiar language to you :)
They do not have access to the same internet. Just see how Facebook's algorithm decides what to show you based on your IP and usage history and a bajillion other factors. And how Google changes the search results based on IP too. They don't choose not to verify the things they see; those things were presented as the truth to them in the first place.