Original sentence: It confronted the Thatcherite government's attempt to ban gay sex education in schools via the controversial (and since repealed) section 28 legislation..  Given this backdrop, the BBC opted not to show it during the day and it was screened at night, even though originally created for a school audience
Edited sentence: Although it might be considered quite tame today, at the time it confronted the then Thatcherite government's attempt to ban gay sex education in schools via the controversial (and since repealed) section 28 legislation..  Given this backdrop, the BBC was eventually not brave enough to show it during the day and it was screened at night, even though originally created for a school audience.It is perhaps remarkable that the film was even made at all