Alright, so for the past 6 years, a certain contingent of the playerbase has been complaining about Babies being objects because you can't take them out of the crib. However, to me, Babies have always been objects, they just had more portability and interactions in other games. Not being able to move them from the crib just highlighted everything that was already wrong with the lifestage to begin with for people who were easily fooled by being able to carry them around and the wider selection of interactions they had in previous games.
So, if Babies are ever to be taken out of the crib, here's a list of upgrades that the lifestage needs to make them true sims (from the perspective of someone who only plays families to develop an early-life history for her characters):
1. Give Them Personality Traits: Even as babies, people already have individual personalities. If you've ever raised kids or heard your parents, relatives, or friends who are parents talk about their kids when they were babies, then you know that some babies are very fussy, others are really chill, still others are very giggly, or stoic, or curious, or easily startled, some sleep like a rock while others will wake up as soon as they hear the tiny click the nursery door makes when you close it...You know, because even that tiny, humans are individuals. So, I'd like to see Babies in The Sims finally get personality traits, either randomized or selectable at birth with a randomize button for those who want a surprise. Babies need personalities!!
2. Give Them Skills to Learn: As babies, we're learning even from birth. Over that first year of life, we acquire skills like object permanence (the ability to realize that things don't disappear from existence just because we can't see them), basic mobility (sitting up, rolling over, crawling, grabbing and holding objects), visual-spatial skills (like recognizing shapes and mastering that doughnut stacker thing), and before we can even speak, we're learning to understand language and communicate with other people, even if it's just with a smile or a tantrum. So, sim Babies need some skills to learn, with bonus traits or hidden boosts from maxing them before aging up to Toddler.
3. Make Them Playable: Finally, they should be playable. Why not be able to crawl around the nursery or living room as a Baby? Playing with those classic baby toys, causing a fuss, putting everything under the sun in your mouth, practicing those age-appropriate skills. Ideally, as the object permanence skill develops, when you play as a baby what is visible and interactable onscreen can go from whatever is in the Baby's line of sight, to everything in the room, to everything on that floor, to everything in the house. Now that would be super cool!
Without making these changes, Babies coming out of the crib would just be adding extra interactions to an object. Making Babies non-objects isn't just about making them portable and being able to use them with a sink and a changing table, it's also about making them more interesting and individual and, yes, playable and fun to play. Just saying...
There is a song I hear, a melody from the past...
When I woke for the first time, when I slept for the last.