“We are commanded by Scripture to be of one mind, in one spirit, and with one mouth to glorify GOD. Romans 15:5-6, Philippians 1:27, 2:2”
I do agree with you about that, Nyer. The problem arises when we are asked to be of one mind/spirit with what appears to be very serious doctrinal error (what we perceive to be idolatry and works righteousness). So we try to eradicate these serious errors, finding unity on the basis of Scripture.
I do believe that serious Christians do actually have quite a bit of real and true unity, as I have experienced in different situations over the years. I have mentioned the pro-life movement in a previous post as one area where I find what seem to be many real compatriots.
The Church is Christ's bride (Ephesians 5:29) and has "no spot, wrinkle or blemish" (Ephesians 5:27). Christ also stated that the gates of Hell will not prevail against His Church (Matthew 16:18) so how can the Church commit error? Individual clergy may commit sins, even popes commit sins because in the Church there are both "weeds and wheat" (Matthew 13:30).