Obviously, if the stakeholders in this forum want to restrict debate in general (e.g. because people really want to come here for fellowship and prayer requests, etc.) that is perfectly reasonable. And obviously the people who run the site can do whatever they want. However, as soon as people start discussing the content of "doctrine" and advocate for what they believe, then to not allow a totally open debate clearly sends the message that we lack the confidence of our convictions and need to be "protected" from competing ideas.
Honestly you can't take the tags seriously. When I first joined (a few months ago), the tags said I was a "Christian Rookie", and I have been a Christian for 23 years. :-D
Cheese, people state their opinions on these forums, The Christians on this board get their beliefs from The Bible and their respective Churches.