I have no idea what kind of immodesty you think the world is
celebrating, but it in light of modesty's dependence on context and culture I have to wonder what you have in mind. Just what immodesty are you talking about? While sleeveless tops among Mormon girls is reportedly immodest, do you feel such dress among Catholics in Australia and Shintos in Japan is equally immodest? How about the topless Vanuatu women of the South Pacific?
Considering the definition of modesty:
"Modesty and demureness is a mode of dress and deportment which intends to avoid encouraging of sexual attraction in others. Standards of modesty are culturally and context dependent and vary widely. In this use, it may be considered inappropriate or immodest to reveal certain parts of the body. In some societies, modesty may involve women covering their bodies completely and not talking to men who are not immediate family members; in others, a fairly revealing but one-piece bathing costume is considered modest when other women wear bikinis. In some countries, exposure of the body in breach of community standards of modesty is also considered to be public indecency, and public nudity is generally illegal in most of the world and regarded as indecent exposure. However, nudity is at times tolerated in some societies; for example, during a world naked bike ride, while a lone man attempting to walk naked from south to north Britain was repeatedly imprisoned."
Source:Wikipedia
Do you feel that sleeveless tops on females encourage sexual attraction in others?
.