Sucks up the sunlight - er yes, that is what they do, otherwise the panels are just a very expensive rooftop.
Businesses would not go there - iffy, but they would still have an income from the generation of power bringing in income with very low maintenance cost, and no expensive roads and infrastructure like sewage works and water lines are needed throughout the solar farm.
The panels prevent plants from growing - plants tend not to grow in full shade, but there are a lot of plants that prefer low light conditions to grow, so might actually like growing there.
Brown and dead plants- you do know they tend to spray a herbicide around the panels so they do not get shaded by trees.
High cancer rate - no idea of the area, but they could simply be things like naturally occurring arsenic in the ground water, radon gas from the ground, contaminated water from old coal mining activity, old copper mines, etc.
Retired science teacher - bet she taught as she was taught, that the earth is 6000 years old, the Bible was written in English only, electricity is the Devil's work, a car needs a man walking in front with a red flag so as not to spook the horses, those furriners should be railroaded out of town....