As we know, the popes in those days were often highly corrupt and venal and twisted the scripture to say whatever they wanted. "Sola scriptura" was an attempt to protect the faith from corruption, not to make everyone his own theologist. That is just silly.
Luther said, "a simple layman armed with Scripture is greater than the mightiest pope without it".(Note: scripture vs A pope without it) The intention of the Reformation was to correct the perceived errors of the Catholic Church by appeal to the uniqueness of the Bible's authority and to reject what Catholics considered to be Apostolic Tradition as a source of original authority alongside the Bible, wherever Tradition did not have Biblical support or where it supposedly contradicted Scripture.
Sola Scriptura, however, does not ignore Christian history and tradition when seeking to understand the Bible. Rather, it sees the Bible as the only final authority in matters of faith and practice. As Martin Luther said, "The true rule is this: God's Word shall establish articles of faith, and no one else, not even an angel can do so."[6].
(from wikipedia)
ditto