"Rotatable sued us and immediately asked for $75,000 to go away. We refused. And we fought. It’s Rackspace policy to not pay off patent trolls, even if it costs us more to fight. Eventually Rotatable offered to just walk away – but we refused again. Just as we promised last year, we challenged the patent and the USPTO invalidated it. This means that Rackspace will not pay one penny to this troll, nor will Apple, Netf…
Two of those companies are recurrent patent trolls, and the third isn't in a clear-cut situation at all. Why would they create a found to fight trolls?