Completely off-topic, but it is intriguing me: why is this post remaining #1 on HN for some time if the post about Paul Allen has 3x more votes and is one hour

Completely off-topic, but it is intriguing me: why is this post remaining #1 on HN for some time if the post about Paul Allen has 3x more votes and is one hour younger. Both with an ordinary number of comments. My assumptions about HN's algorithm seem to be way off