My son, wise beyond his years it would seem, taught me an invaluable lesson when he was a teenager living at home. Any time I got worked into a froth about a broken car, leaky roof or other serious, but non-cataclysmic setback, he’d put things in perspective for me: “Pops, it could always be worse – you could be on fire.”
This is a good model to apply to invasive species. Depending on the situation, they can wreak some genuine havoc, but sometimes the perception of danger is so far overblown that other problems ensue. It’s important to place an issue in the proper scale, beyond the fact that we are hopefully not surrounded by flames at the moment.