Depressing thought

This article http://www.abc.net.au/news/newsitems/200509/s1450949.htm suggests that Neanderthals and modern humans shared part of France for at least 1000 years. There's a raging debate in the archaeological community about what happened to the Neanderthals.

I have to wonder: has anyone suggested that modern humans simply hunted Neanderthals to extinction?

Neanderthals were better adapted to the weather conditions of the time: cold, harsh, etc. If that is the case, an outside force is likely responsible for their extinction.

Sadly, modern humans are very aggressive. I can easily see how they could simply have seen Neanderthals as intruders/different/whatever and hunted them to extinction. It would explain the slow decline in Neanderthal population.

OK, I must be thinking negatively lately.