This is not a scientific paper, it's just entertainment.You may have a completely different opinion and I would love to hear it (especially if you are an Indonesian reader). The two main ethnic groups in Indonesia are the Javanese (90 million people, 40% of the population) and the Sundanese (36 million people, 15.5% of the population).
Be aware that I am basing this whole piece on personal experience only.
would have you believe, is evolving into an elaborate charade of deception: Everybody is petrified of giving someone the “wrong idea.” Men are impolite to the point of viciousness to ensure that the women they just hooked up with understand they don’t want a relationship.
Women “self-objectify” in profile pictures to get men interested, renouncing the “wrong idea” that they might want something more than a one-night stand.
It is said that due to their welcoming nature, the penetration of Islam among them was faster and easier compared to the Javanese.
For this reason, they are overall more religious compared to the Javanese.