Update: looks like the spectacular backlash was more than they expected. According to the thread on Bitcointalk they are backpedaling and intend to pay everyone who had not 3 or more signups from the same IP address.
(https://bitcointalk.org/index.php?topic=2058499.msg21907527#msg21907527)
They also deleted that embarrassing rant from their website.
We will see - I have not yet received anything.