Why do you assume they don’t have sex? It doesn’t specify what they need to have sex with…

Yeah that’s my main takeaway, you should also not be listening at a volume that makes you unable to hear a car horn or a bicycle bell.

Yeah? But the key is to become less dependant like you stated, which is what veganism aims to do. It is impossible at this current time to be independnat of them, but each passing year we do become less so.