I can’t imagine anyone turning someone away from a worship service no matter how they are dressed. That being said, I believe that the way you dress is a display of the respect you have for coming into the presence of God.
I love The Lord with all my heart, to me wearing less than a nice suit would be disrespectful. I would not go to a meeting with the president of the United States in blue jeans. I would not go to visit the Queen of England in a Tee Shirt. In those two circumstances you can bet I would be wearing a freshly cleaned suit with a winkle free clean white shirt and nice tie. My shoes will be shined, my skin will be clean and my hair combed.
Some people probably don’t feel as close to The Lord as I do and to them they don’t understand this feeling of respect, they may be coming to find out if there is a God, how can you respect something you aren’t sure you believe exists, so for those people less formal attire may be appropriate. I know Him and I will not disrespect Him. I will wear the best I have when I come to His House.
"I would not go to a meeting with the president of the United States in blue jeans. I would not go to visit the Queen of England in a Tee Shirt. In those two circumstances you can bet I would be wearing a freshly cleaned suit with a winkle free clean white shirt and nice tie. My shoes will be shined, my skin will be clean and my hair combed.
Some people probably don’t feel as close to The Lord as I do and to them they don’t understand this feeling of respect..."
Well, Obama isn't my father. And if the Queen of England was my Mom, I might not wear formal attire 100% of the time around her.
The problem with judging the clothes of others is tied to this: "Some people probably don’t feel as close to The Lord as I do". I don't think wearing a suit has much to do with being close to God, or showing God respect. I'd have to go buy a suit, first, since I don't own one. And then the pastor and I would be the only ones wearing them - and like as not, the pastor would take off his coat before the start of the service.
If I wore a cloth tie, the pastor & I would probably be the only ones wearing them - and the pastor has asked me about getting a bolo tie for himself.
If the Queen of England came to visit my home, she'd find me wearing clean jeans, a button down shirt and a bolo tie - out of respect for her position. I wouldn't wear a suit. If I was visiting her, then I'd adopt the standards appropriate for Windsor Castle.
The Lord values a reverent heart, I think. How that translates into dress depends on where you are at. If I wore a coat and tie to church, I'd be drawing attention to me. In a different environment, wearing a bolo tie would draw attention to me. Or wearing jeans. What I wear should reflect respect, but also a desire not to draw attention. That is best done by watching what others wear, and adjusting one's scale accordingly.
This can be respectful and discrete, or an attempt to draw attention to oneself. You might feel underdressed in it, but I border on overdressed. Depends on where you live and where you worship:
I would not go to a meeting with the president of the United States in blue jeans. I would not go to visit the Queen of England in a Tee Shirt
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The standard uniform of the POTUS is cargo pants and golf shoes
For the queen, the every day is a raincoat, a scarf on the head and gum boots..