Is this still a thing? Haven't people accepted by now that Ukyo most probably is living the life on Cyprus together with Mr. Brewster and a cocktail in his hand?
You know... normal scammers vanish at some point. Ukyo is still available and speaking if you want. Check out IRC.
I've got to agree with Harmon, yeah it may be untypical, but have you considered that this is just part of the plan. It is used to let people keep their hopes up, let some of them even side with you. Some will even start to defend you. This is closely related to Stockholm Syndrome. It effectively decreases the number of people who will potentially try to use legal action. People aren't under the impression of having been scammed, so it is easier for them to just write it off as an accident.
Of course i have considered its part of a plan. But even if one try this you cant run this forever that way. At one point the sue-hammer would come down on you. So the max such a scammer could achieve would be time.
I mostly decided not to sue now because i can speak with ukyo when i want. I could see one of his small projects and he explained the inner working. It would be some work to do only to buy time that way. So i use the conversations with ukyo to get a feeling about what might going on and how certain it is that ukyo is saying the truth. As far as i see it i can sue ukyo anytime. I only dont see a ray of light getting back my coins by doing so. At the end the decision is relatively easy to wait for the moment and let ukyo prove that he speaks the truth. If it comes out its a scam for sure then i will sue him. I wouldnt await coins getting back but i would like him see at court then. By the way the same i do for the labcoin scammer. Im part of LCSH and we know it was a scam from the start now. I sue him only to punish him but it might come even better than i thought.