It seems "predatory", but I think it's either mindless "aping" or meant to intimidate. But I know many women who just plain ole don't LIKE it.
If you feel intimidated, some self defense training is a great confidence booster and could save your life. SAS (Second Amendment Sisters) has a great website:
http://www.2asisters.org/Yes. In this wonderful world of diverse cultures we're seeking to install in the US we must remember, they don't all view Women and Womanhood in the same way. I'm thrilled to know we're importing so many people from cultures I'd call women hating. yay.