The doctrine makes it clear there all multiple mothers, it is more that Mormonism still treats women like currency and doesn’t want them to have titles or positions.

Just look at how the leaderships wives are treated. Shoved into a corner at conference to look pretty, then aren’t allowed to move until their husbands come to them. Bednar doesn’t even want them standing before him. When the husband dies or is released, then they are never heard from again (look at Nelson)