I don't have impaired vision, but I use alt-text to save bandwidth on metered internet connections. For instance, if there's alt-text that says "stock image of

I don't have impaired vision, but I use alt-text to save bandwidth on metered internet connections. For instance, if there's alt-text that says "stock image of happy traveller", well, I can probably do without that until I get a better internet connection, whereas if it's "bus timetable for this stop", it might be worth me turning on images to see that despite the cost.