OK, I see what you're saying. But still, it doesn't sound right to me. Just because they can voice their opinions through articles, they shouldn't have the right to organize a conference? Sounds undemocratic to me, at least by modern standards. One could twist your entire argument around and say 'OK, if they can say it on paper, why cant they say it out loud?'
Then again, I can't help but wonder what would happen if a similar Conference was being held in the RoC about whether EOKA was a terrorist organisation or not. Would our guys allow it? Probably not...