There is a concerted effort by The American Bird Conservancy (aka Satan, in my book) to try to outlaw feral cats everywhere. The Audobon Society is involved as well. They want to round up and kill all outdoor cats, feral or not, and punish anyone who tries to care for them. That's part of the story of how Alley Cat Allies came to exist--to fight on the side of the cats.
When I saw you were in Florida - - that explains a big part of it. The ABC has made big inroads with Wildlife Management/Fish & Game officials in Florida. (This is part of their strategy nationwide--to infiltrate Wildlife Management organizations with people who support their agenda.) Some of the worst stories I've heard about anti-feral cat laws have come out of Florida.
Some cat advocates have called the more extreme ABC supporters a "bird cult," and I don't think they're far off the mark. They have a quasi-religious devotion to their cause. In fact, I've done some research tracing the development of this very insular community of birders back at least a hundred years. One of their basic principles is that anything that could ever kill one of the birds they love (generally songbirds, not vultures, etc...) must be destroyed. The scary part is that the birders are extremely well-funded.
This is one case where it's good to know your enemy because they are out there working against us every day. Vigilance is necessary.