#a11y is a marketing term, a logo. It signals to the people who know that there is content for them. Yes, it needs explaining when encountered for the finest time, but so needs the Nike swoosh.
I think it is good for our community to have such a tool in our belt.
i’d argue that the abbreviation a11y is net positive.
The value is in the branding and tag like nature. I see a11y laptop stickers, T-shirt’s…