The reason isn't because of the internet. Kids in general are growing up less social and men more effeminate, while girls are becoming more autistic in their social calibration despite women supposedly being the stronger social gender. People say it's video games, but it's mostly just the safe space nature of schools and laws that are making boys be less of boys with discouragement of causing ruckus and girls are being taught to be "empowered" something no girl biologically or mentally wants to do. It's reverse world and it's f*cking everything up.
I didn't say it was the internet though the rise of the internet occurred at the same time as the rise of inceldom.
I agree that women are getting more autistic in their socialization. In general, women still have stronger social skills than men. In some of my social spheres, I've seen socially inept, educated White women. My best friend's wife claimed a few years ago that she'd never been approached in a grocery store. That seemed false to me. She was probably about 30-31 when she made that claim and in her early to mid 20s, she was borderline cute-hot. It had to have happened, she was just too socially autistic to realize it. Some other White women who ran in the same circle as the woman I just mentioned are comparable in their social ineptitude, but all have found long term boyfriends and husbands.
I perceive that male effemininity is more pronounced in White men than non-White men.
Culture has not socialized boys effectively since at least the onset of the 1990s, when the Millennials were small children. There are now 35-40 year Millennial males who never learned how to be men through traditional social means. A lot of men lacked good father figures and were raised by single moms to be docile beta males. Schools didn't effectively handle bullying.
Video games and internet porn didn't help either.
I have seen PUA as a good thing. I have seen the PUA movemnt help men that didn't get socialized properly. However, PUA was more of a Gen X thing than a Gen Y/Millennial thing. Most of the PUA leaders were Gen X'ers like Torero, Strauss, Mystery, and Roosh. Rollo Tomassi is also a Gen X'er. It's more difficult to name a major PUA or Manosphere voice coming out of the Millennial cohort.