I doubt he saw much risk involved. Within 10 days of setting foot in Thailand, he had the golden Royal sentence commute from 8 to 1 year. That was no doubt pre-arranged with the one entity whose judgement is beyond question. So he has less than 11 months left in his sentence which will probably be further commuted, if not completely pardoned within the next few months. Until then, he will require his current medical care setup or, when the media interest wanes, full time medical supervision under house arrest. He has had a good long time to gameplan this out and get the players in position