The only reason this is even a question is because of posters in the other thread's absurd belief that the word 'conservative' always and only has a political meaning.
That's seriously what you took away from that "argument"? LOL.
I couldn't figure out why the hell
else anybody would deny that substance abstinence, sexual selectivity, et cetera are (relatively speaking) 'conservative' behaviors, so yes.
Here, take a look at this picture of Veronica Lake:
Miss Lake is dressed 'conservatively' here. Although, honestly, it's Veronica Lake, who in her heyday could make
any outfit look indecent, so Audrey Hepburn might be a better example:
This is from
Roman Holiday, certainly far from a politically conservative work of art.
Here's another Veronica Lake picture. In this one she is
not dressed conservatively. How did all that cleavage get past the Hays Code?
In this one (sorry for the bad colorization) she looks almost like she's going for a proto-goth-lingerie look: