'Banksy's apparent identity has been an open secret among protective fellow artists, and long been easy to find online for those who wanted to know. The Daily Mail reported in 2008 "compelling evidence suggesting" that was the artist's birth name. It has been published by other news outlets, including by The Associated Press in 2016, as part of their coverage of the detective work.'
'There's evidence that even some in the establishment he was protesting have accepted Banksy. They didn't arrest him, for example, after the Royal Courts of Justice removed a Banksy stencil depicting a judge in a traditional wig and gown beating an unarmed protester with a gavel. Some street artists groused that they might be arrested for creating such graffiti — but when it's a Banksy, it's art.'
"If anything, Banksy's anonymity has functioned less as a celebrity device and more as a way to keep the work universally accessible, detached from personality, ego, or biograph. It allows the work to sit in public space, politically and culturally, without being anchored to an individual in the way the mainstream press often frames it." Joe Syer, a Banksy expert
A commenter. 'Honestly? I'm just ignoring it. Banksy is Banksy. To me, it's more meaningful that I don't know his name. Some might feel the opposite. As long as no one bothers him, what's done is done.' Sort of the same take I have. He doesn't want to be public, so I'll go along. In Hagakure they express a Japanese idea that if a person doesn't want to have said a thing, it should be for you as if they never said the thing.