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>>Also, burms are not native to the area so any animal they consume is taking away a resource for the environment and that is a problem.

I guess we'll have to agree to disagree on this. This is way too much of a simplification. For example, if the most invasive species in the history of the world (Homo sapiens) has wiped out most/all of the predators of rats, mice and other animals we consider pests, then the burms might actually be beneficial to us.

What's interesting to me is that we (Homo sapiens) somehow exempt ourselves from all these concepts of invasiveness, non-nativeness and injurious.