Why the church is

The constant flux of ecclesiology in the United States has brought a change in how people view the purpose of church.  This has resulted in a nearly non-thought approach to doing church.  The modern evangelical church has become a seeker-friendly, nearly observation-only performance.  These gatherings seek to make people comfortable and deliver a positive message.  But this is all a far cry from the historical church.
The Greek word for "church" is "ekklesia", meaning "calling out".  In short, the church service is, even in simplest terms, a calling out of the body of Christ into a unified gathering.  This then precludes the idea of structuring the service to make non believing visitors comfortable.  There is no problem with non believers visiting a church service.  But they need to understand what we are doing.  It's not for them. They should be uncomfortable because this gathering is an otherworldly experience, something completely contrary to the worldly norm.
I suppose all of this comes down to what we want to make our foundation.  There are three ways to approach this.  One, we can follow the tradition of the historic church, two, we can make it up as we go, or three, we can work through the Bible on our own and devise a private interpretation.
I would think it would be clear by now which position is actually historically Christian.