Sometimes it's because they don't like the current government, or they don't like any government, or they don't want any meddling, or maybe they're ultra-concerned about any sort of pesticide use. That would be another thing.
We go to great pains to try to explain that the pesticides we're using.... Bacillus thuringiensis is a naturally occurring soil bacterium that's cultured. It's not a poison. The insect has to eat it. It's the same thing with tebufenozide. It's a growth regulator that's specific to budworm. It's a much easier sell than in the days of DDT or chemical pesticides, but some people don't want anything.