it is easy to be wise after the event

it is easy to be wise after the event

1. After one has seen the consequences of a decision, it is easy to tell whether or not the decision was favorable, but it is also too late, since the consequences have already occurred.
   • 2022 February 27, Phil McNulty, “Chelsea 0-0 Liverpool”, in BBC Sport‎:

     Tuchel may wonder whether he should have kept the unbeatable Mendy on for penalties after his heroic performance but it is easy to be wise after the event and Kepa has proved his quality from penalties in the past.

• after the fact
• backward rationalization
• hindsight is 20/20