I'm reading a couple of books now that address this. One is by Scot McKnight and it's called The King Jesus Gospel. The main thesis thus far is that our Christianity is obsessed with the Soteriological - meaning that we are obsessed with the salvation part (winning souls, getting a decision for Christ, or whatever you will call it). I agree with this notion because a big question I see is "So what now?" We neglect, at least a bit, that the entire Bible is the gospel - back even unto the story of Israel.
In my own denomination, which is Southern Baptist, there is a large contigent of infighting over Calvinism, which is primarily concerned with how people are saved. (I realize Reformed Theology is much more, but a number of the trench battles are entirely soteriological.) While things have, thankfully, cooled down to a large degree, the battle lines are consistently drawn over how God saves people versus doing kingdom work to save more people. The implication being often that the other side is not properly saved, barely saved, or simply not saved enough.
This is why you've seen such a resurgence in disciple-making language.
The second book is The Moral Vision of the New Testament by Methodist scholar Richard B. Hays. Hays is not exactly a Conservative, but neither is he very progressive in his views. I look to him for solid scholarship that I might not always agree with, but respect as a man humbly seeking God from an academic perspective. Among his points is one more akin to the original intent of this thread.
Essentially, we tend to read things as an individual where early Christians would have read things corporately.
For instance, a famous passage from Romans:
Therefore, I urge you, brothers and sisters, in view of God’s mercy, to offer your bodies [plural] as a living sacrifice [singular], holy and pleasing to God—this is your true and proper worship. Do not conform to the pattern of this world, but be transformed by the renewing of your mind. Then you will be able to test and approve what God’s will is—his good, pleasing and perfect will. - Romans 12:1-2 NIV
We read the above as I sacrifice my body for God in the manner that he has called me. In New Testament terms, this passage is actually focused on the idea that the corporate body presents itself as a unified living sacrifice to God.
Thus, we have Galatians 3:28:
There is neither Jew nor Gentile, neither slave nor free, nor is there male and female, for you are all one in Christ Jesus. - Galatians 3:28 NIV
If we get outside the individualist mindset, this verse makes much sense.
This is an area where I do respect my Catholic brethren like Mungo. We may disagree on the Pope and his role, but I very much admire that when you address a Catholic, they often respond as if you have addressed the church. I think we Protestants could take a page or two from the Catholic unity playbook, even amongst our own denominations. We also interepret the Catholic (collective) response as just an extension of blind following of the Pope, but it is more complicated than that. This misunderstanding often leaves a Protestant speaking in the singular voice against a Catholic collective voice.