Thanks, Amaury.
I'd like to amend what you state, though:
"...for the use by vision-impsired people."
That is different for "able-bodied" content publishers, though:
I've made dozens oft tests now, and I can state that I'm saving a great deal of time.
I simply proofread and amend...an about -90% reduction in my #AltText generation time. :)