I agree in real world cricket. Not sure how they'll overcome those sorts of issues.
In relation to Cricket '19, the only reason I put a like on Sultan MS Nama's post was that I have a wife and daughter who both play the game (real life and on PS4) and I have a created local social team on PS4 with everyone else I know, except them who are in a womens team, sectioned off from the rest of us. In wider terms I understand it wouldn't really be a lot of use in the game of course.
As for the real life mixed gender game, are they only going to allow the women from each team to bowl to one another perhaps and only the men bowling to men? The fielding will be interesting, with the women trying to take catches off balls smashed twice as hard at them as they're used to.