What I mean is most Christians bicker over silly things like denomination etc, when Mormons or JWs seem to get along within their communities peaceably that's all I meant sorry if I over generalized.
Is debating over denominational distinctions/differences that silly? Because usually it's not just some debate about whose tribe is right, it's usually discussion and debate over issues of significant theology: the Sacraments, salvation, etc.
Here's an example, as a Lutheran I hold steadfastly to the belief that the Sacrament of the Lord's Supper, the Holy Eucharist, is the very and actual body and blood of Jesus Christ. The bread and the wine are not mere symbols of Christ's flesh and blood, they actually and truly are Jesus Christ, present for us in these elements of bread and wine. What we receive in the Supper is not a mere memorial token of Christ, but Christ, the living, risen, real Jesus--He who sits and reigns at the right hand of the Father, who was born of Mary's womb, was crucified, raised from the dead, that Jesus is what we receive in the Supper. That's not a minor issue, that's a major issue. If I'm wrong and the Supper isn't actually Jesus, then I'm an idolator, if it's true that Christ is actually present in and under the bread and the wine then those who say He isn't are denying the very words of Jesus Christ, "This is My body ... This is My blood". So such an issue can never be considered a minor issue.
These are the sorts of issues that are debated under the "denomination" label.
But these are discussions and debates which happen within the broad hedge of Christian orthodoxy, among diverse groups of Christians who confess a common confession as outlined in the Nicene (Niceno-Constantinoplian) Creed.
Groups which, for example, deny not just Christ's Deity, but deny that Christ as the Son is homoousios with the Father are outside of the pale of orthodoxy, which makes the debates that much more significant.
-CryptoLutheran