Well, it's not exactly that simple.
Let's say you're Brian McCann and the Blue Jays are offering you 10% more than your next highest bidder (The Yankees or Braves), after taxes. You value getting paid, but you also value winning. Would it sway your opinion of signing if the Blue Jays won 81 games this year as opposed to, say, 70 games? I think there's a chance that it could.
Aside from that, I'd feel better about this group in 2014 if some of the individual players could turn it around and have a strong September.
You have a point too though.
If the Jays are going to win in September, I'd want to see them do it on the basis of strong performances by guys like Lawrie and Dickey. I don't want to see them win because shitbags like Sierra, Rogers, and Goins get hot for one month.