dDo- Seemingly Amazing Texturing Tool

I want to know what the catch is with the dDo Photoshop plug-in (aside from the price)? It seems to do an amazing amount of texturing work for you, instantly, with tons of customizable options.. How can it be so good? There has to be a catch, otherwise everybody will be using it in the very near future! I will have to check it out when I get a chance.

Check out the Quixel website for more details.