That's where I quit reading and lose all respect for the author.
Then you need to read your Bible a little closer.
If the RCC doesn't believe they are the Harlot, who do they say it is? The RCC has copied many things of the Babylonian religion. They killed more saints than all other entities on earth. That's what astonished John in Revelation. There were no popes until Constantine in the 300's AD. There are many more indications but I'm wasting my typing if you won't even read it. The fate of the church at Thyatira awaits you if you won't change.