To be clear the TownUnderground Facebook Page does NOT HIDE comments, but some people have asked why the total number of comments on a Facebook Page may not equal the visible comments.
There are 17 comments on the post below, why can’t I see 17 responses?

A Facebook Page admin can hide a comment without deleting it. This is useful when managing a public Page, because the comment becomes less visible to other visitors while the person who posted it may not realize it has been hidden.
What happens when an admin hides a comment?
- The commenter: The person who wrote the comment can generally still see their own comment, along with their Facebook friends.
- Other visitors: The comment is hidden from most other people who view the Page post.
- The Page admin: Can still manage the comment and typically has the option to unhide it.
- Replies: Hiding a comment may also hide its replies, depending on the conversation and Facebook’s current behavior.
Hiding is different from deleting: deleting removes the comment, whereas hiding limits who can see it. Hiding allows page admins to control what information is made public.
Comments that have been hidden are marked ‘This comment was hidden’ to page Admins

The other explanation why visible comments may not equal the total comment count is another person has ‘Blocked’ your Facebook profile.