Small Houses a new idea?

Visiting this site after seeing a Youtube video on living small. I realized that Mr. Shafers idea was good but would have being great if he actually gave credit to the small Lake Houses in La Parguera in Lajas, Puerto Rico, for their style and design. Sorry if I’m mistaken, but wouldn’t you agree if you knew how similar his houses are with the actual small Lake Houses build for almost hundreds of years in Lajas, Puerto Rico and other places in the island as well.

Visit these links below so you can see how similar they really are: