Jenna Lyons’ didn’t become a sensation because the public just happened to stumble behind the scenes of J.Crew, and discover a designer with (inarguably) great style and a larger-than-life personality. Circa 2007, the question of whether or not to introduce consumers to J.Crew’s then little-known creative director was a subject of debate within the upper tiers of the company.
“We pondered it,” a senior executive told me. “Was it a…