Soaking a card from a notebook, to me is the same as removing a card from a GIA slab. I'm simply freeing it from a holder. One requires a hammer the other water. I'm not in any way trying to improve the card other then removing it from the page/remove the page from it. Is that hypocritical?
My issue is using a man made, specially designed chemical to remove stains, residue and make whites pop. Pressing corners/wrinkles & trimming arealso meant to deceive that a card has survived in a much nicer condition then it truly has.
Edited. I've tried it once, just to see what happens.
Vid
http://youtu.be/y1QFe7T8zK8