Why are deaf audiences still treated as an afterthought in theatre and cinema?

In this article, deaf is used as an umbrella term to include Deaf, deaf, hard of hearing, hearing-impaired, deafened and people with hearing loss. Theatre and cinemas are increasingly lauding their commitment to access and diversity; yet deaf people are still excluded from most performances and films. Many theatre performances are not captioned or British Sign Language (BSL) interpreted and if they are, theatres typically offer one captioned and one interpreted show in a run, regardless of the…