Certainly no. But point taken. This really isn't intended for use on a website like that, more a fun exploration of the difference between human and AI perception. That being said, I updated the project with an analogous audio experiment version for the unsighted.
They meant that this is a technique that relies on a person's vision, which means that the blind, by definition, are being excluded. They weren't being hostile toward the blind, they were pointing out that the project itself is hostile towards the blind.