This is now being shown on your homepage as a story you've written rather than (as I think it is) something from a comment thread. This likely means the commenter you were responding to has blocked you - and it may mean the comments to you lack the context of the original post.

As someone who gets blocked fairly regularly I can assure you there are a hefty percentage of people on this site who do not like being publicly disagreed with and will reach for the block button as an immediate reaction. It's very sad.