I think what's worrying is the complacency in the team. The attitude of "we used to lose a lot last year, so we should be happy about our progress this year!" post-defeat isn't good. Need the anger and the disappointment. Joyous dressing room? No way
Kinda annoyed that Tsubaki keeps having these psychological troubles of the form "oh I am so bad at this". But I do feel like he is progressing, so that's fine