And there are maybe a couple hundred people in the world who think Benedict is still pope.
"At first, we will not know which is the true pope."
Nobody knows what happened inside the conclave. There was no question "which" is the pope. According to the wiki the "Siri thesis" wasn't proposed until the 1980s.
And if you want to go by numbers, I'm not sure many people even know about the "Siri thesis".