I never held hands until my most recent Church where it is the custom and a friend likes it.
However, meaning no offense to you or the author of this article, this kind of silly focus is what is wrong with the Catholic Church.
You think Jesus would get upset if we pray holding hands? Then add in “spreading the wealth”, kissing the Pope's ring, or the latest unBibilical stuff coming from the Vatican and it's just too artificial for me at times. That said, Catholic Churches have holiness down. You can feel the presence walking into many.
One can definitely feel something.
I've had the same feeling being at the Gettysburg cemetery; too.