JR . . .
Funny you should mention Doc J, since Eric's one of the rock slingers listed as having built Doc's state-of-the-art pond.
Regardless of what Eric says, on his website you can read what he believes and see what he does: exoticwaterscapes.com
As for being a detractor, that doesn't appear to be case with Eric; it would appear he's got a product for everyone.
"What ever you want from custom koi ponds to disappearing pondless waterfalls, backyard waterfalls, hybrid ponds, rock column fountains, waterscapes, living creeks, or breathtaking water gardens, to serene Japanese Gardens with tranquility ponds and Zen Gardens, we can turn your pond design dreams into reality."
Whether he can deliver or not? That's another question.
Maybe Eric can start another thread and wow us with pix and specs of some of the 'custom koi ponds' he's built?