Iran is far from the only country undermined by covert US interference and there are many US trading partners and allies that are morally and ethically challenged.

This is an area that lacks a clear unique singular datapoint, more a landscape of multiple rounds of buckshot.

It absolutely does test the point[1]. Proving the point in some absolute sense is a completely lopsided requirement since the original commenter did not prove anything in that sense to begin with. You are ready to accept the original commenters non-proofs but not counter-factuals?

[1] https://www.merriam-webster.com/dictionary/prove , sense number 3