The offensive article talks about individual consciences, not groups.
the thousands of Protestant and Protestant derived groups
Ok, so you feel that every individual who believes in the basic Protestant and Protestant derived doctrines is by definition beyond all challenge as to whether or not they are being led by the Holy Spirit and yet we have groups of such folks who I behave as I described in the post to which you respond.
Is it just that such beyond reproach individuals cannot remained focused when they band together into groups?