Did any of the governments protesting the war decide to arm the Irakis while they tried and failed to defend their homeland? No.
SH was a dictator for sure but these wars were illegal just the same and I did not see the EU kicking the US out of the swift payment system of impose sanctions on them.
The moral posturing of the west is a show. The west is happy to go to war when it pleases it but should anyone else do it, then that is a problem.