noun
hindsight-based opinion; after-the-fact reasoning
Refers to evaluating or judging a past event based on its outcome, often implying that the speaker is using the result to claim something was obvious or inevitable. Common in critical contexts.
結果論で言えば、あの時買っておけばよかった。
In hindsight, I should have bought it back then.
彼の意見はいつも結果
His opinions are always based on hindsight.