My pastor comes to church in jeans and a Tee-shirt. On Sunday morning. To preach the sermon.
Not that I'm complaining, I actually enjoy a more relaxed atmosphere. But, it's a looooonnnnng way from back in the day when you wouldn't set foot in the sanctuary in anything less than the best clothes you could get.
In a way, it may be more in keeping with the way Jesus is actually likely to meet you. He'll choose a time when you're changing wheel bearings on you vehicle, you're up to your armpits in grease and dirt and the cleanest clothes you have on aren't generally viewable to the public. Somehow, your "Sunday Best" never impressed Him a whole lot, He likes getting real with you. There are few times you're more real than you are when you're involved in a heavy job.