A simple search online shows scores of country horse tunes. Even if the list is off a bit, the point remains. It’s like the physics club in Breakfast Club: Well, in country songs involving horses we-we talk about horses, properties of horses. https://www.wideopencountry.com/songs-about-horses/
Substance abuse is all over this genre: https://www.ranker.com/list/country-songs-about-drugs/ranker-music, https://www.ranker.com/list/best-country-drinking-songs/ranker-music.
And yes, the singer in California is breaking up with a municipality.
Now, I get the love some have for this genre. Different strokes for different folks. But there’s no denying the core of country.
I know there are horse songs, and lots of mentions of saddles.
Blood on the Saddle ~ Tex Ritter (1960)
https://www.youtube.com/watch?v=_5xGGTFfpMY
“A simple search online shows scores of country horse tunes.”
Country music is about a hundred years old, so it is possible that a horse is mentioned, just as cars, trucks, sunsets, pretty girls, etc.
Since country music actually ended about twenty years ago, I don’t keep up with it anymore.
Your link mentions drinking songs, which is now modernized into substance abuse, I suppose.
“And yes, the singer in California is breaking up with a municipality.”
You must think that is being perceptive or intellectual. It is neither.
If you love America it is hard to listen to Loretta Lynn and not feel heartbreak for what the 1965 immigration law destroyed.
Coal Miner’s Daughter
https://www.youtube.com/watch?v=zoKThsOCjuU&list=RDzoKThsOCjuU&start_radio=1
Or even Ballad of the Green Beret, or The Battle of New Orleans.