Too general. As in advertisement material? I would say yes but with very strict guidelines
Who's the 4 sexist so far in the poll?
Why are you assuming anyone is sexist?
The big issue will be that there is no way these publications could make anyone happy with defining tznius.
Why not?Speak to appropriate LORs and make a known guideline.
So that is why they don't have pictures of girls/women?
It is definitely the easy way out to avoid having a big advertiser submit an ad which may be suggestive even with all lines kept to and have to deal with explaining to the advertiser why the ad they spent money on making doesn't meet the standards.