I think Andrew Flintoff's departure from England's coaching setup due to strained relations with Jos Buttler is unfortunate, especially ahead of the crucial series against Australia. Their reported conflict might have impacted team dynamics during the ICC T20 World Cup where England faced challenges but managed to make it to the semi-finals. It is disappointing that internal issues led to Flintoff leaving the team, considering his experience and contributions as an assistant coach.

England will now have to navigate the upcoming series against Australia without Flintoff's presence in the coaching setup. The team will need to focus on regaining stability and unity to perform well against their arch-rivals. The departure of a key figure like Flintoff highlights the importance of strong interpersonal relationships within the team and it will be interesting to see how England adapts to this change and moves forward in their preparations for the series.