I only glanced at the blog, but in a gp4000s2 style, i am thinking the patterns in the tape will help promote airflow attachment.

I am a big fan of the marginal gains concept.

Heck, i just got a silca digital pump... and the body is an airfoil!!! Maybe a nod to past ventures... and maybe to make it harder to blow over on a windy day. Love the details.