There is a middle ground here.
Adequately describing the image is the minimum, but there is room, plenty of it, for humour.
Zᐰphod Beebledoc ❤️❤️➕🟦 (🏳️⚧️🏳️🌈 ally)
If you want to tell me I'm misusing alt text here what you need to do is back up your accusation by additionally going around the entirety of Bluesky having a go at every single person who has posted a photo of, say, a door in a wall with alt text that says "a door in a wall".
Tom Cox
A THREAD, which I have decided to call 'Bloody Hell, Aren't Doors On Old Walls Fucking Brilliant?'
You will find the all-important captions to each photo in the alt text.