Section 4.6 is certainly ridiculous, but I suppose you can just ignore it.
replies(3):
>"Avoid superlatives in job titles and descriptions, especially problematic terms such as "guru", "ninja", "rockstar", or "evangelist"."
At a past job, it was actually embarrassing to introduce some of my colleagues in meetings as shit like "Data Guru" and "Marketing Guru".
(I'm sure we can skip the 100,000th argument about the rest of the section).