Look at the reflexive form in that article. "Each child feeds themself." I don't think that singular "they" never be used, just that enforcing its usage every

Look at the reflexive form in that article. "Each child feeds themself." I don't think that singular "they" never be used, just that enforcing its usage everywhere by claiming that the opposite is "hostile" (as this PR seems to lead to) will lead to awkward constructions.