You two are talking past each other. The way it was before, you both could do what you wanted: either use the gender filter or not use the gender filter. Now there's no choice.
If the child is too young to express a preference, you don't need to choose between (eg) dolls or trucks - baby toys need to be primarily something that can't hurt the baby. If the child is old enough to express a preference, you can ask the child or their parents.