They don't care so much that she's immodest as they do that she's a woman. A man in similar undress is not offensive. A woman, totally clothed, and as modest as can be is still so offensive that they have to cover up pictures on billboards. During the elections they were even covering the faces of female candidates. Even the religious, modestly dressed and covered female candidates. Every time I saw that I wanted to go out at night to cover the men's faces in those same billboards. Then at least it would be an equal playing field. I can understand if people don't want to see nudity in general. But this is not about about covering up but rather hiding and silencing women.
In three days, Greek coastguard rescues 2,500 migrants (Reuters)
from the article: Bar Refaeli highway billboard roils rabbis