Testing Belief: Gospel and God

Questions about why there is no effort towards a neutral interpretation of Scripture that doesn’t take denominational preferences into account, and how so many people in different denominations that believe different things can all claim to be followers of Christ.  

• Why is there no effort towards a neutral exegesis—i.e., without taking denominational preferences into account—in light of the fact that there are so many denominations divided over hundreds of topics? Which inspiration theory and which explanatory system do you use?
• Considering there are so many denominations that all believe different things, how can they all claim to be followers of Christ?