I don't think this matters much for competition though? The existing classical repertoire will still be playable by a much larger percentage of women, bringing

I don't think this matters much for competition though? The existing classical repertoire will still be playable by a much larger percentage of women, bringing them into greater parity. Just let everyone use whatever size piano they want and it'll be an equalizing force, just like how reducing the height of the basket would be an equalizing force for height in dunk competitions.