To say that text browsers are "anchoring" the web to those text only standards would imply that developers are making design decisions based on testing and feedback from text only browsers.
There is no way that the percentage of developers doing that isn't vanishingly small. Like 0.1% or less. I always chuckle when 1 person chimes in on a show hn post to complain that the site doesn't work well in lynx... Ya, I'll get right on that, top priority!
You can make that choice. On the other hand, if you decide on not making the situation right on that, you'll alienate not only accessibility-focused users, but also a very loud minority - some of whom are influential across tech (or tech-adjacent) communities.
There is no way that the percentage of developers doing that isn't vanishingly small. Like 0.1% or less. I always chuckle when 1 person chimes in on a show hn post to complain that the site doesn't work well in lynx... Ya, I'll get right on that, top priority!