Nah. It is more pragmatic and biology-based. While a woman will ovulate whether she has sex or not, for a man, sex is like taking a dump or piss -- he must undergo some form of sexual gratification to get the sperm out of his system. After all, blue balls and wet dreams are a *thing*. Thus incels are merely living in a form of cognitive dissonance as the women that reject them most enthusiastically also make them horny the most and that feels like an inescapable, and especially cruel, form of manipulation.
I guess, instead of being pissed off, incels should proudly enjoy free porn and the plethora of sex-toys available. As for "femcels", it's not a coincidence that porn is littered with average looking to outright "unattractive" girls and women (just look at the evolution of some porn stars -- from "ugly" duckling to plastic bombshell). Though as I see it, there are very few truly unattractive women -- there is always something that goes for each of them. Then again, I'm that indiscriminate, superficial man :D