pinniped

One of two things is going on here:

(1) There's a scam somewhere out there whereby people are somehow generating HHonors points in a fraudulent manner and then selling/pooling them into single accounts. The underlying points are the fraud - not the act of pooling them. I don't understand how this would work, but the influx of low-post-count people with this exact same problem makes me wonder. A hacker out there selling points or whole accounts?

(2) There's a system problem at HHonors, where the new pooling feature is tripping some outdated code that looks at this as suspicious activity.