If the Korean federation did not complain about the aspect of anonymous judging in their appeal, then it is not hypocritical for them to have voted to keep it. Got it? You are wrong.
It is a number of skating fans who have been vocal that anonymous judging allows cheating to happen more easily than under the 6.0 judging system, and that a vote to remove it is a vote against cheating, and a vote to keep it is automatically a vote for cheating. Not everyone necessarily shares that belief.
I am not arguing that anonymous judging is not a problem, but it is only one part of the problem, and it's not the one that Korea complained about previously. So while I disagree with their decision to vote to keep it, I do not see how their decision makes them hypocritical.
Nor am I impressed with Russia's vote to remove anonymous judging. I think they've already found that the best way to cheat is to control the technical panel and ensure their skater gets favorable calls.
South Korea just wanted to go the opposite way of Russia. There's nothing persuasive for an advocate of secrecy to accuse "the composition of the judging panel and the specific actions of a specific judge".