Maybe, But since this was for a business, and it required a theme oriented Tank the refrig idea was good for that location, would I want it in my house...probably not.
They make all sorts of "natural" looking tanks, (check out their website) but that will only bring in a smaller amount of Viewers and clients. It is probably more of just a Business now then the importance of the aquarist hobby aspect in manner of importance.
60 gallon(Parrots and Convicts) 55 gallon African Cichlids 5 gallon Betta tank 35 Gallon Hex (Bolivian Rams, Oto cats, Bloodfin Tetra and a shoal of Tiger Barbs) 75 Gallon Oscar Condo. 30 gallon GBRs & Danios