Maybe you were innocent in your follow-ups regarding Optional, but he's made it clear he doesn't want his identity exposed and it's apparent he feels your actions/messages were putting his anonymity at risk and now no longer wants to be further involved in the matter.
Whether his concern is justified or not, you can't seem to just let it rest for whatever reason and want to keep poking the bear. Even if Optional is wrong and he is being paranoid, just be the bigger person and let it go.
That said, I doubt most people here (including myself) are interested in the pissing match between you and Optional. Personally, I'm more interested in you doing what you claimed you would do in Post #560 and tell us what Fairlay is accusing you of (to SBR and the exchange) and what they were claiming (including linking where they called you a gambling addict, etc) and telling us what the exchange responded with.
How about instead of continuing to burn the bridge, that is SBR that helped get you your Bitcoin back, by engaging with Optional, you put Fairlay on blast and spill what they did in detail instead of this vagueness that seems to be a theme with your posts regarding what Fairlay has done to you. I wish you would have the same spirit of transparency you had in this issue with Optional (by attempting to post the PMs between you and Optional) and apply it to the Fairlay matter by posting your conversations with Fairlay along with the other details that would give us more clarity on what was going on with them and you as a start. If Fairlay has a problem with it, I'm sure SBR would be more than happy to let them post a rebuttal.