Yuma is only 19 and that means he was even younger at the Olympics... a big deal for such a young skater. I don't blame him for being a bit more reserved.I do think that lots of skaters can show better what they "can" with their gala programs.
So a comparison between certain athletes based on their competitive programs can (not must) bring a different result than using galas for it.
e.g. Yuma surprised me with his Oly season gala. Others might not be able to spark when they are under less pressure etc.