Yes, women with wealth (like Emma Watson) can to some extent avoid the negative consequences of self ID for themselves and their daughters. Being charitable I suspect she hasn't thought through things like Karen White and J Brooks, but she's still throwing women and young girls under the bus (even if through ignorance) if she supports mermaids.
It's interesting how the pro-women and girls side is mostly grassroots normal women, without wealth. We've achieved so much considering the lack of serious money. I was wondering the other day how much money Posie, FPFW and WPUK have raised, how many have donated and what the average donation is. We don't have much spare cash so I've been donating £10 here and there when I can. And consciously going without the little treats I'd occasionally get myself (a coffee in Sainsbury's cafe) in order to do this. Bet I'm not alone.