He's dead on, as far as I'm concerned:
...the right way to do it is to run your flag up, (opposing parties) run their flag up, you fight like crazy, you put your choices clearly to the Canadian people, they make their choices and then you play the cards that voters deal you.
And a point I hadn't thought of:
Liberal strategists don't want to give ammunition to Harper's Tories, who so successfully demonized the 2008 coalition attempt.
And they don't want to make it harder for Liberals to win enough seats to make a coalition, much less a majority, possible. Strategists reason that New Democrats who want to defeat Harper would have little incentive to vote Liberal if they felt the Liberals would inevitably invite the NDP to join a coalition.
There's more, including comments on to what extent a Liberal-led coalition could work with the BQ. Kind of sounds like compromise between the advice given by Rob Silver and Scott Reid.