The question asked is this: why do you go to church?
Based on a biblical perspective, most would use this verse:
Hebrews 10:25 KJV
Not forsaking the assembling of ourselves together, as the manner of some is; but exhorting one another: and so much the more, as ye see the day approaching.
However, I want you to think about this. We are a body of Christ. Back in biblical days, people would gather in homes (being as they had no other places to go) and would be taught from the scriptures. They would also wait for visiting preachers who would come and go from house to house bringing letters and greetings to other believers. They did not forsake each other. (They also went out and preached on streets.)
Nowadays, believers can be in one city and yet there will be churches on every street corner (even from the same denomination). They rarely visit with each other if at all due to disagreements. Is this not forsaking the assemblies of yourselves due to your own opinions?
You allow division, not unity.
You allow damage, not healing.
You encourage persecution based on opinions, not building yourselves up together in the Holy Ghost.
Stop using the Bible to justify yourselves. Start doing what it speaks of by loving and uniting.
So now I turn the question on to you, why do you forsake your fellow believers?