The detail from the text that best supports the idea that people with disabilities lack representation and access is:
"A lot of the time we're not even there. We don't show up... Not because we're not around — we definitely are. It's that a lot of physical spaces don't acknowledge us."
This statement highlights the absence of individuals with disabilities in various spaces, implying that these spaces often do not accommodate or recognize their presence, which points to a lack of representation and access.