I suspect our neighborhood will never be incorporated. Because we live in an unincorporated part of the county, I could have goats, chickens, horses, cows, etc.
A presidential candidate will be stopping in the neighborhood this week, having a dinner at a supporter's house. The cost of the dinner is nearly $3k/person. (Note: I won't be going. I help represent the economic diversity in the neighborhood.)
Everyone here has hedges or iron fences. It's all very private and most lots are half an acre with some being larger parts of older estates.
I keep chickens and have a large garden. My neighbors don't complain. We keep things clean in the coop area, and it's out of sight nowhere near anyone's house or property line. If you were to walk by on the street you'd have to strain to see it, though you might hear the chickens clucking.
My entire half acre has a small postage stamp of grass; the rest is forest, perennial gardens and edible plantings. My front yard has no grass (but there is a hedge).
I'm sure some folks would see my yard as unsightly as I don't have a bunch of grass and standard suburban plantings. Different strokes for different folks.
I don't see where the neighbor in this case has a leg to stand on, but I don't know the laws in this case. I'll certainly never understand the need for a perfectly manicured yard that raises nothing other than debris for the yard bin. I much prefer that my yard produce items for my family to enjoy, including eggs. I don't see a garden and chickens as reasons for a decline in property values. Abandoned cars? Sure! Plants? No way.