This was my response to that.
“There is no reason to make a case for an applied meaning here. It just clothing. Just wear it. In Yeshiva one is (At least should be.) identified by their studies. The fact that their clothing was constructive at some point, does not imply anything beyond that point.”
I am agreeing with your point. There are times when it has a positive effect. The same could be said for a raincoat. [It helps people stay dry in certain situations.] There is still no reason to wear a raincoat when it is not raining. But if that works, (Everyone else wears them or whatever reason.) then go right ahead and wear it. But it still is the same raincoat. It is a lie to say clothing is an expression of how religious one is. I did not think you meant it like that.