Fiction is often relegated to a secondary stow because fact-based forms of knowledge are becoming more and more valued. To be informed is to stay with the facts. Yet I think fiction allows us to stay just about as informed.
It may be useful to visualise sexual rights as a large tree with deep roots and a vast canopy of leaves. Or as a giant umbrella. Or a big tent. Whatever tickles your imagination and allows you to see it as a conceptual and practical tool to make claims for any aspect that relates to how we express sexuality.
People make assumptions about both mobility and sexuality and quite often reduce them to a few simple, unidimensional concepts. Sexuality is reduced to sex, marriage and the gender binary. Mobility is reduced to ableist concepts of body and capacity, and access to, or the possession of, a vehicle to get from point A to B.