Why do we care if China censors things? Don't US social media companies censor large swaths of content? The reddit bans just happened. You can call it hate sp

Why do we care if China censors things? Don't US social media companies censor large swaths of content? The reddit bans just happened. You can call it hate speech, but some disagree. Yet those communities and posts were still censored. What is the difference if it's a business or a government doing the censoring?