Why is this user's (drdal) other comments not showing up from his user page? His Ask HN on an entirely different topic seems to have disappeared from his user

Why is this user's (drdal) other comments not showing up from his user page? His Ask HN on an entirely different topic seems to have disappeared from his user page: https://news.ycombinator.com/item?id=7173135 https://news.ycombinator.com/item?id=7153132 Or, are Ask HNs not counted as submissions?