His timing, at least, was bad: It was laudable for him to try to bring up the debate about poverty ... but this may not have been the most opportune time. People need to grieve and people should be allowed to do so. (from Edmonton Journal) And he could have prefaced this remark with an explanation that it does not justify killing innocents.
But it's not just this interview, it's other actions too. His fit of pique when Bush did not visit Canada first after his election seemed -- well, petty.