Good point, mollynme. A church service is different from our private worship of God. We can worship God privately all week long in our bathrobes and sweatsuits. Church services, however, are public gatherings intended to minister to all in attendance. Those who take the firm stance that "God doesn't care what I wear" might consider applying that logic to other aspects of the church service. What if the priest or minister took the attitude "God doesn't care about me bothering to prepare a sermon......I'll just speak whatever comes to me at the time"? What if the choir took the attitude "God doesn't care if we bother to learn the words or the music......we'll just get up there and make a joyful noise"? What if the people in charge of maintenance and cleaning took the attitude "God doesn't care if the sanctuary is dirty and messy and the air conditioning doesn't work......those things have nothing to do with worship"?
While I think there are valid points on both sides of the proper dress issue, I think we would all do well to remember that public church services are a different form of worship than that which we do privately. Church services are intended to meet the needs of many, not just the needs of one. Just as we expect others to do things to enhance the experience for all of us, I think we should also consider how our own behavior impacts upon the group.