I am not sure where you've seen anyone advocate you to "denied access to content". We are talking about a recommendation system. Those are pushing content, and

I am not sure where you've seen anyone advocate you to "denied access to content". We are talking about a recommendation system. Those are pushing content, and as such include believes, values, etc. This makes companies have a responsibility on what they advocate for and what effect that will have on our societies. If you're talking about opportunity cost: Well, an imaginary flat earth'er or science denier would say the same about getting recommended stuff beyond his bubble.