That's kind of an absurd position when the explicit purpose of segmented communities is to gatekeep content.

If you live in NA, you haven't lived in a walkable city designed for people over cars. You can find clearer explanations of the rationale from Strong Towns or NotJustBikes.

Your concerns are not unfounded, but they would benefit from some context.

Comparison between attention-sensitive and attention-insensitive IQ tests are considered diagnostic for ADHD.