I really don't get this game at all. 1 day I just heard about it. I plugged it into lichess. But apparently lichess analysis is getting it wrong. It says move X is a blunder when actually it isn't at all.
I asked about why engines were confused by this
and also how to analyse it but then it was closed for too broad so I made a new post and then now it's deleted How do I analyse immortal draw? with no explanation in comments.