Used to express an action taken after it would have been useful. The fire extinguisher was installed after the event, not helping during the fire.
Pro Tip 2/3
Hindsight Reflection
Implies looking back on a situation with the wisdom gained after it has ended. Criticizing the decision after the event is easy, given what we know now.
Pro Tip 3/3
Common Response
Often used to indicate that precautionary actions are only implemented once it’s too late. The password policy was strengthened only after the event of a security breach.