CrplHicks comment from 2 days ago is the newest I can see in the public view on there (sorting comments by ‘newest comments’ first. There are 94 comments so far).
When I ‘sign in’ the newest comment I can see is mine from around 1 hour ago - it may take some time for comments to appear.
Or he could have used the “block this user’s comments” feature to us like he did to Harmy.