As a recent first-time estate owner I was quickly dismayed by the many issues with chocobo stables.
To start with, they're ugly. It's a rustic wooden shed with straw on the floor. Were they designed to intentionally match a peasant medieval inn? They sure don't work with my FC's brand new cafe walls, or my private forge cottage.
Next, they're absurdly bulky. The stables occupy a massive chunk of the available land. This especially penalises cottages which have few options to design around the huge aesthetic wart. On private estates it seems especially absurd to carve off so much real-estate area for stabling one or two personal birds.
They're ridiculously priced. 125k for a wooden shed? And no, they can't be crafted.
It gets worse. There are mechanics the game doesn't tell us about, that make the price not merely high, but downright insulting. Because you can't even store them, once placed, nor remove to inventory. Nope, if you regret the installation, it can only be destroyed. This is not mentioned in any tooltip, and the confirmation dialog that vaguely hints at it is almost identical to the usual one - good luck spotting the difference, let alone realising what it meant. Instead, you find out at the worst possible time, that is, once already purchased, installed and occupying a large chunk of land and 5% of your item slots.
If that wasn't bad enough, the game misleads you about the design possibilities. In preview mode, you can place them in areas that aren't actually permitted with the real item. Hours later you discover the design you had in mind is impossible to achieve. If it was cheap, or storable, this could be slightly less affronting - but only slightly.
To sum up, I quickly determined that chocobo stables are ugly, bulky, expensive, constraining, misleading, and defective.
As far as I can tell they haven't changed much (or at all) since ARR? I'm calling for a rethink.