Great question — answering as the UphillTech team:
Your chicken looks fine. It seems as if you have succeeded in getting the meat done without it drying out, which is always great! The surface does not look 'crusty' and as you say it's soft and easy to eat, I would say it's a success.
Full answer by Cindy: https://cooking.stackexchange.com/a/99851 (CC BY-SA 4.0).
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