Because allowing only anti SV posts is soooooo a debate.
If you step back, you will see that the debate is across the forums and across the internet.
I understand your desire to keep snarky nasty gossipy ankle-biters off the forum. My suggestion then? Allow discussions of the schism of sedevacantism, so long as the discussions are against it. Do not allow pro-sedes to spread their pro-schismatic words. I mean, if being a sedevacantist is wrong, then surely it would not be wrong to ban pro-sede talk here and encourage anti-sede talk, would it? - Laramie Hirsch
There may be debate on the Internet, but that is not what you are advocating at FE.
::goes back to ignoring LH::
And Matthew, notice again a very clear judgment on LH's Part: "the schism of sedevacantism"; "pro-schismatic words"