Cult Holdings Co-Founder @willhmayer, who led the Rick Rubin-Polymarket ad, shares the five core tenets of how to build a brand with a cult following: "First is doctrine. Having identity before features, what is the sacred text that everybody abides by? Most brands have a tagline, but what can truly be enforced and felt by the community? @bryan_johnson's done this incredibly well. Most religions have commandments or tenets. Brands have slogans like, 'Think Different' or 'Just Do It.' You have…