Short version: no, Linux is not ableist.
Longer version: the Linux ecosystem suffers a limited support for people with vision issues, yes.
But that's arguably the one "ableist" issue that can be attributed to Linux.
Offensive version: claiming Linux is not neurodivergent-friendly is... have you SEEN us linux people? To use an offensive stereotype: we are are hyperfixated nerds. You could probably use us as litmus test for neurodivergency.
Longer version: the Linux ecosystem suffers a limited support for people with vision issues, yes.
But that's arguably the one "ableist" issue that can be attributed to Linux.
Offensive version: claiming Linux is not neurodivergent-friendly is... have you SEEN us linux people? To use an offensive stereotype: we are are hyperfixated nerds. You could probably use us as litmus test for neurodivergency.