He says without any proof what so ever, lol.
The polls we are getting now matter. Are they completely accurate and can be trusted? Nope. Do they matter in the sense that it completely can change the way that a presidential campaign is run? Absolutely. Your assertion is wrong.
What I do know, is that when you take all of these polls and compose an aggregate of them all, you get much better and more accurate results, not just for the final presidential poll, but for all congressional and presidential polls. Therefor, that is what I go to when I am curious about the current trends in polling. This is something that generally every sensible person agrees on regardless of political bend. The sensible conservatives and liberals will discuss the trends of all of the polls and what we can garner from that information, the more blind or the more hucksterish of those conservatives or liberals will point out only the latest poll that happens to agree with their political views.
If you want to argue that Rasumussen is the most accurate you can go for it, but you have a lot of work ahead of you as the link I posted to gives you all the numbers in a very easy to understand format. This is not me saying "oh, well they just hate Obama" this is a respected person, Nate Silver, giving you the numbers and saying "they used these methods which are unreliable because x,y, & z.