>I think morally he did. And he should be impeached for both that and his inaction in response to that.
And an impeachment trial is not an Article III court. Nor is it intended to be. It is inherently a political proceeding and not a criminal trial. As such, ethics and morals are certainly at issue and the rules of Article III courts are not relevant.
Nor did the founders intend[0][1] them to be criminal trials. Which is why someone who is impeached and convicted is not immune from criminal prosecution in an Article III court.