So far, nobody has demonstrated eGPU working on 2016 MBP in OS X. The Akitio this is based on just reported that theirs doesn't work.
Folks at Bison are likely sweating right now. Made a lot of bold claims, with nothing to back them up.
The author of this ad should ask for clarification from Bizon, and some screen shots.
And in the future maybe try products before reviewing them?