Simple

The 1991 Gulf War killed less than 3,000 Iraqi civilians. Saddam's regime kills more people than that every month, on average. Therefore, anyone who says that it is impermissible to invade in effort to knock the regime out is either evil, mentally ill, or stupid. There is no plausible case against invasion. Therefore, the anti-war movement is motivated by hatred for successful Americans. The hatred comes from envy. The envy comes from self-loathing.

In envy and self-loathing, Canada has spitefully left Iraqi children to be killed by Saddam into the indefinite future. Canada deserves to be punished for this treachery and cowardice.