Is this a bad thing? I'd love adverts that were actually relevant to what I want. Why do I care if an advertiser knows I like cheese because I posted I like che

Is this a bad thing? I'd love adverts that were actually relevant to what I want. Why do I care if an advertiser knows I like cheese because I posted I like cheese on my profile once? "Selling user data" is pretty simplistic and puts a negative spin on it. They're not selling your credit card details or your contact details so 3rd parties can spam you. They're trying to give you relevant adverts based on your likes and dislikes.