Does it matter if the majority is using it or not? The same concept of freedom of speech should matter. And HN is one of the largest tech forums on the internet

Does it matter if the majority is using it or not? The same concept of freedom of speech should matter. And HN is one of the largest tech forums on the internet; making it effectively the 'Youtube' of tech forums. So given HN's expansive reach, why do you think it deserves to be excluded from the concept of being a provider? Why shouldn't it be forced to house all content?