Again, assuming negative economic impacts is not the right way up approach this. Keep in mind that the impacts of invasive species impacts the national economy by BILLIONS each year.
Like I said the lateness of the hour meant that I did not have time to produce a fully developed post. I have to work tomorrow and one of my anti-malware programs just trashed my browser history and the start menu.
I do agree, but we should still be careful not only for that reason but also to ensure we are achieving results with the actions we are taking.