Things like this shouldn't exist unchallenged: http://www.adminaddict.net/topic/6066-is-xenforo-dying/
And when someone brings up valid questions which affect what they invest in for their site forum, threads should be locked. There shouldn't be a perception, let alone reputation that asking legitimate questions from a customer perspective will result in a locked thread.
For goodness sake, don't turn this into supporting or rebutting the opinions in the link. Thats not the purpose. The purpose is to advocate a more open exchange with the company through a person dedicated to that task.