Probably the most insightful look into the actual team mental.
FNS mentioned his own personal experiences with team chemistry falling apart when the team enters a slump after winning, and it lines up pretty well with how Buzz has been acting.
When you go from best in the world to struggling in region, you start to question things that worked before and look for reasons to why you are losing, even if those reasons are irrational or wrong. It makes sense that Sylvan ended up getting scapegoated with that mentality at play.