I agree with what you WANT it to say, but what he said was "We're going to give it our best and hopefully we have a lot more people at our party next weekend."
He didn't say "Hopefully we CAN have a lot more people here for A party next week."
Now it says what you want to hear. What I want to hear. Not what he said.
He stated it as if they are throwing a party next week and he hopes more people will show up. I'm sorry, but "hopefully" is in no way connected to victory in his sentence. Like I said, I do believe it is what he MEANT to say, but it is not what came out of his mouth.
I really don't see how you can interpret it any other way, it says what it says.
Edit: I also don't see it as him expressing disappointment in the turnout, because I think it is obvious that he meant to state he hopes they win, not he hopes more people show up once they win. But missing one word, or using one wrong word, can completely change what your sentence says, and honestly, Tom has never been the most elegant speaker, he's always stumbled around a little trying to say what he want to says. So like I said, he isn't expressing disappointment with the numbers, he just simply worded it poorly, which I'm fine with, but I'm also not surprised the NY Media is taking it at what it says. When you read it on paper it sounds awfully different than when he said it at the pep rally. You have to hear it live to understand what he meant, and I'm sure the article writer is fully expecting that NOBODY will watch the video, I'm actually surprised they added it.