If that were the case, we'd be up to our ass in rats since the roundup has been going on since 1958.
It's to help the ranchers protect their livestock. You might want to keep better control of that broad, 'stupid' brush until you know what you're talking about.
No tootsie roll, you just have a lot more than you otherwise would. Any person that thinks killing off critters that keep rodents under control is a good idea is by definition stupid. If the shoe fits ...