Earlier quoted context omitted.
The problem is people, including women, get to pick their friends. If you're branded as awkward or ugly all women will avoid you leading to a self-perpetuating cycle. Since women can pick their friends and generally pick gregarious, outgoing, and socially competent men for their friend groups, they ignore and do not understand the type of man who is labelled an incel.
No, these are false premises. All of my female partners have had the feedback from someone that "you're just like a guy". The so called "girl next door" wearing sweats, and rocking a bad-hair-day ponytail because she's late for her lab may be way hotter when she dresses up than the median film actress. She may be an awesome friend. She may be a frickin' monster in bed, without giving off any porn-star vibes. Incels a…
That broken model is unfortunately widespread in both genders. Some "girls next door" can basically feel like failures in the dating/relationships sphere, which ends up making them even less appealing to others. It's worth trying to fix this of course, but it's not always easy.