Instead, Wyckoff (2014) criticized this proposal, arguing that it would only lead to women "taking control of the structures that men have developed and used to dominate both women and non-human animals” (p. 729), and many feminists consider this offer valid. Oppressive systems do not operate independently, and Wyckoff (2014) argues that sexism and speciesism, among other related oppressions, should be addressed “as a global political problem” (p. 722). To go further, some feminist researchers argue that vegetarianism and veganism are fundamental to feminist practice in order to overturn both sexism and veganism..