The difference in treatment is probably because these days the people who talk loudest about the "some" are often trying to use it as a cover to support gender-

The difference in treatment is probably because these days the people who talk loudest about the "some" are often trying to use it as a cover to support gender-essentialist defenses of an unequal status quo, while people who talk about "none" are obviously inaccurate in some ways but are for the most part harmless.