I'm not proposing any new red tape or a requirement though, merely pointing out that there can be a win-win here. And yes, many large scale end-user facing app

I'm not proposing any new red tape or a requirement though, merely pointing out that there can be a win-win here. And yes, many large scale end-user facing app teams make a business decision to implement their UIs with accessibility in mind. For web apps specifically it's not that big of a deal these days with screen readers getting reasonably sophisticated making the additional dev effort negligible for medium-large projects.