Daily Chinese Idiom Guessing Game
Each person acts on their own authority without regard for others, leading to lack of coordination.
为政管理政事，泛指行事。各自按自己的主张办事，不互相配合。比喻不考虑全局，各搞一套。
《诗经·小雅·节南山》不自为政，卒劳百姓。”《左传·宣公二年》畴昔之羊，子为政，今日之事，我为政。”
The team's failure was due to everyone going their own way, a classic case of '各自为政'.