I think it's mostly due to the financial ''update'' we have been blessed with at the beginning of the season.
Some managers couldn't bear the financial strain anymore, others tank, and others (me) need to get by with some creative accounting and risky daytrading maneuvers.
However, there are some managers that seem to be unstoppable this season (I wonder who has the top score currently). Also this game showed me
(https://buzzerbeater.com/match/125699983/boxscore.aspx) why people have been talking more about the value of shot blocking and inside defense across all players