Ask HN: Why is this account "banned"?

My comments are only visible to me, they go straight to the bottom (not that it matters given the first point), and page loading is delayed by ~15 seconds. These things are all instantly remedied by switching accounts or just logging out completely. So... what gives? Did I trip some sort of filter with an unpopular comment, or am I just so important that I get special treatment?

I had almost saved enough points for the RC helicopter in the Karma Gift Shop, so this would certainly be a devastating setback.