From your own article:

> The Flutter team would like to eventually turn the semantics on by default in Flutter Web. However, at the moment, this would lead to noticeable performance costs in a significant number of cases, and requires some optimization before the default can be changed

Ah, so you admit it does indeed include accessibility but now what you're complaining about is performance. Not that you've actually tried it of course.

But good. That's a kind of progress.