The article is about European forestry research. There's no indication here that those researchers aren't intimately familiar with US forestry research; however

The article is about European forestry research. There's no indication here that those researchers aren't intimately familiar with US forestry research; however, they did provide a causal explanation for these fires (i.e. climate change) and did not indicate that any further causes needed to be identified. Again, what you're saying, while possibly true and if true probably accounted for, isn't necessarily relevant, as climate change by itself is a sufficient explanation of this phenomenon.