The whole concept of inceldom is inherently hateful in my opinion. It is founded on the belief that anyone is owed sex and romantic partnerships, and that external circumstances are denying them their natural right to fuck. We are (generally speaking) wired to seek viable mates, with natural preferences for desirable traits. That not everyone is successful is just part of the selection process.

Essentially it is a whole ideology of denying responsibility for their own inadequacies and blaming them on the object of their desires.