It's an important subject regardless of why people read about it. For me, I think it's important because the nude in art helps us understand how societal values change over time, helps us understand and communicate our frustrations in the present. We definitely need to be more open about these matters.

Here are a few documentaries in that regard which might be useful to watch -

Terry Jones The Surprising History of Sex and Love -

https://www.dailymotion.com/video/x5vlcyx

Channel 4 The Nude in Art

1 - https://www.dailymotion.com/video/x78d8i3

2 - https://www.dailymotion.com/video/x78d8i1

3 - https://www.dailymotion.com/video/x78d8i2

4 - https://www.dailymotion.com/video/x78d8i4