The only useful result of standups that I ever saw consistently was when people spoke up about tasks they were blocked on, and cross-team collaboration allowed

The only useful result of standups that I ever saw consistently was when people spoke up about tasks they were blocked on, and cross-team collaboration allowed a pathway towards a solution to be established more quickly and smoothly than if the exchange had occurred over email or Slack. Aside from that, the only purpose of a stand up that I experienced was to posture ones self and otherwise waste company time.