Board Thread:The Panopticon/@comment-26975268-20130215200321/@comment-188432-20130216172818

And the third — and most conclusive — reason why this proposal won't be adopted is because it's been tried before, and it failed. The original edit summary for the now-deleted the Master (Yana) was:
 * The Tenth Doctor and John Smith each have their own articles, so Professor Yana should have a separate page from the Master.

Indeed, at this early stage, the article was called Yana. But within a week it was about the incarnation of the Master. Why? Because there's just not enough information to separate the two. People inevitably conflate the two for lack of anything better to do.