Far worse used to come through the letterbox on a daily basis - Sun, Star, Daily Mirror etc; even the Chron used to have "Girl Fridays" with their t1ts barely covered up.
In fairness you can go on the Internet now and see much worse much quicker. It's just this programme from 1973 was 9 years before I was born to the day. Its such a big shift in attitudes from then to now.