Two points:
Modesty in dress as a general principle is really what is important, not what one sports team wears at the 0lympics.
And two, if a Catholic monsignor or ANYONE ELSE says something true, then it’s true. No matter who says it.
Considering that the east coast and that includes the northeast has been through a very severe heat wave with haze and humid air to boot. Heck I am typing wearing shorts right now.