That is some handsome work!
I very much like the use of thinner stock for the blades. It may not be great for prying or pounding, but I generally buy knives to cut stuff and thinner is better for cutting.
I agree. I like pocket folders to have slimmer blades, leaving the heavier stock for larger fixed blades.
If I need the beef of a BK2' I'll buy a BK2.