Obligatory “have Claude write one for you” (in jest of course). All kidding aside, folks have always underestimated how much accessibility helps even those who don’t think they need it.
They might not need it
…right now, today. But they might consider “build a world for ‘old’ you”
Right? "Build your own extension" to fix a website's accessibility problems is the equivalent of telling somebody who is disabled to stop complaining about the lack of ramps when they can just modify their wheelchair with a jetpack.