The life force is concerned with cyclicality, care, and regeneration; the death force sounds to me a lot like “disrupt.” Obviously, some amount of both is necessary, but one is routinely valorized, not to mention masculinized, while the other goes unrecognized because it has no part in “progress.”
I think, especially after reading the next few pages and trying to understand her point, that it's really not that simple. She mentions matienence care being a universal experience, and just because people celebrate and honor their caretakers differently doesnt mean they arent a huge focus of admiration in society.