I know this has been argued to death before (where it burned in Hell for eternity)... 
But for people who have faith, they don’t think they should have to stop thinking about it, or feeling it, when they walk out of their houses. Rather than Faith being an elective article (such as pants or a shirt that can be changed) it’s a part of them (skin color, limbs - a permanant part of themselves).
...And if we evolved, then according to this line of logic, we should have tough feet, or pads, or hooves or something. But we don’t:
Tender Feet: In leaving human feet free of paw pads or tough, horse-like hooves, the Lord rendered our solitary means of locomotion highly susceptible to injury