"I personally believe, based on my experiences, that there are hundreds of thousands,
if not millions, of Protestant denominations, and the main reason for this is sola scriptura. Now, I admit that my “experiences” constitute anecdotal evidence, but I have found nothing to dissuade me from the notion that my anecdotal evidence is not indicative of a much more widespread phenomenon. And, for clarity’s sake, I define a Protestant denomination as a religious unit of one or more persons that has: 1) A particular set of beliefs on matters of faith and morals, which may or may not be unique to that group; and 2) Has its own structure of authority that ultimately answers to no human being outside of the denomination.
In the last 15 years or so, I have talked to hundreds and hundreds of Protestants, either on the radio, via email, on the phone, or in person. I have heard from the mouths of at least 2–3 dozen or so of those folks that while they may attend a church in a particular denomination, let’s say a Baptist church for example, they are not, however, members of that denomination. They have all said something close to this: “I only go to that church because that pastor comes the closest to what I believe.” The first time I heard that about 15 years ago it blew me away. But I have heard it time and time again since.
In other words,** these folks are their own little denomination within a denomination**. **They have their own set of beliefs and they are their own authority for what is, in essence, their own private denomination. They are the Pope, the pastor, and the chief theologian of their own personal denomination. ** Now, out of the several hundred Protestants I’ve talked to, the number who have said something along these lines accounts for about, let’s say, 2–3% of the total. I think the true percentage who are in this situation is much higher than that, however, because I have actually not even addressed this particular point with the vast majority of the Protestants I have talked to. So, there may be many more of the Protestants I’ve talked to who are in this same situation, but the topic simply never came up in our discussions. Plus, I have talked to any number of Protestants who have flat out stated that they do not need any church, all they need is a Bible. So, again, **I believe the percentage of Protestants who belong to their own private denomination is rather high. ** But, let’s use the 2–3% figure just to be conservative.
So, estimating that 2–3% of Protestants, just in this country, are members of their own private denominations –** they answer to no human authority in matters of faith and morals
outside of themselves, and they have a particular set of beliefs they call their own – then we’re looking at the number of denominations as being in the millions. ** I have said many times that if God leaves us on this earth long enough there will eventually be one Protestant denomination for every Protestant or, at the least, one Protestant denomination for every Protestant family. And what is the main reason for this phenomenon? Sola Scriptura.
Folks interpreting the Bible on their own to arrive at their own particular set of beliefs and subject only to their own authority.
Plus, I disagree that you cannot blame Sola Scriptura for the disunity of faith within Protestantism that results from the “efforts to subordinate the authority of Scripture.”
The essence of Sola Scriptura, whether its adherents realize it or not, is not the authority o f Scripture, but rather the authority of each individual’s interpretation of Scripture. Big difference. The authority of Scripture, and the authority given by Christ to the Church He founded, are actually usurped by sola scriptura adherents, again, whether they realize it or not. And this indirect, or inadvertent, usurpation of authority by the individual, which allows him to “authoritatively” pronounce right from wrong, true doctrine from false, all based on his own private authority, inevitably leads to individuals believing they have the authority to directly and knowingly usurp the authority of Scripture and the Church. It all stems from the same root." Taken from the latest newsletter of apologist
John Martignoni (bold mine)