Don't know sublime, guessing behind people in shops, the sleb is being judged on perceived attitude to staff
gasp the forum you need is digital lie spy. Jeremy Renner and Simon Cowell are big fans. 
I am never sure what to make of Piers Morgan, he seems self-aware enough to know the whole sleb industry is bollocks and he had the lowest-key wedding going. But he is naughty...he did a reveal in his first book about Jonathan Ross writing an email to his missus about his love for Center Parcs
David Baddiel ended up sitting between me and a teenager many years ago at a Richard Herring play at the Fringe festival. He was lovely to her when asked for an autograph. I was too shy and didn't want to hassle him but was impressed with how he dealt with it. He has also himself defended slebs, okay Russell brand, regarding how easy it is to judge until you realise they're a nice person in rl, but stewart lee was not as impressed as me by that.
I once worked in a clothes shop in Manchester and was told by a colleague we could not ever speak to or show that we recognised Audrey from coro, as she would not appreciate it
Have to say though, that like a Simon Armitage poem I can't quite recall, we are all a bit of good and a bit of bad on our balance sheet...I would hate to be judged by random encounters as one person might say Awesome, so friendly and funny. An hour and 3 kids later another would say Cowbag with active bitch face....