Not really a giant chunk, just a very vocal chunk which might well just be a minority.

Besides, I believe that women are often the target of sexual interest. I just don't believe that it is such a horrible thing as some of them proclaim. At the very least, many don't really have the comparison to what it is like to be unattractive, which is not very pleasant, either.

Many people expend a lot of money and time to become more physical attractive. Few people expend effort to become less attractive.

What's more, if you complain about being "sexually harassed", at the same time you signal "social proof" of you being attractive. So telling such stories is a double whammy: you can show proof that you are attractive, and get some pity points and protection, too.