Your zeal for covering up Iranian actions betrays an extreme bias or hired mission.

The only countries even somewhat denying Iranian involvement in Yemen are its allies in the UN Security Council, and Russia isn't even really denying it, just blocking resolutions. Iranian soldiers have been killed or captured non-stop over the last 20 years in Iraq, Syria, Afghanistan and Lebanon. They have directly supplied every Shia militant group in the Middle East for decades.

The fact that you deny this makes me believe you've been told to.

Actually I haven't even denied anything. I'm just asking you to substantiate your claims, but instead of doing that you make additional (unsubstantiated) claims, move the goalposts and use appeal to authority arguments.

And I did substantiate it by linking to a story about the UN resolution, yet you ignored it.