First, I will start by saying that there are women who do only date jerks. I'll give you an example: one of my best friends. Her dad left, her brother left, and her first boyfriend cheated on her. Every male in her life was mean. Mean boys is all she knows. So she's stuck in a cycle of being attracted to mean guys because it's all she ever knew. It's really sad, and it makes me feel awful for her. Women who had bad male role models in her life will typically be attracted to men that are also bad.
Most girls don't want complete jerks. I don't get why when a guy gets rejected he thinks it's because he was too nice? No, she rejected you because she doesn't have anything in common with you, she thinks you're ugly, she thinks you're dumb, she doesn't want a boyfriend, etc. Why would a girl want to reject a nice guy who is good looking, smart, and ambitious? Makes no sense. I don't know where this idea came from.
If women do date jerks and they didn't have that bad male role model in her life thing, she probably doesn't know he's a jerk yet. Like I have dated a few jerks because I didn't know them. They were nice at first and then transformed into jerks when they got comfortable. Too bad jerks don't have signs on their foreheads that say "Warning: Do not date me I am an a**hole"
Also, some girls don't care if a guy is a jerk if he's just a hook-up. If she's only hooking up with him, she probably doesn't care about his personality much, probably if he's just cute.
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If they do, they're probably just in denial and not willing enough to be humble and admit why women generally don't want them. So instead, they just mislead themselves into truly believing that women want jerks. But in actual reality, there's something about them as an individual that women typically are unattracted to. Because even if most women were miraculously, idiotically interested in jerks exclusively, if they were really that desirable, some woman somewhere out there would want them1