Another thing that you didn't explicitly mention, but it's heavily implied; adhering to an aesthetic, especially a white/beige one, is a coded show of wealth and privilege. It takes a lot of time and effort to curate a white/beige/neutral aesthetic. When you're talking about babies and only dressing them in these colours, you're implying that you can afford to constantly replace clothes when they're stained, or spend a lot of time and energy removing them.
Another thing that you didn't explicitly mention, but it's heavily implied; adhering to an aesthetic, especially a white/beige one, is a coded show of wealth and privilege. It takes a lot of time and effort to curate a white/beige/neutral aesthetic. When you're talking about babies and only dressing them in these colours, you're implying that you can afford to constantly replace clothes when they're stained, or spend a lot of time and energy removing them.
Quiet Luxury for the Sippy Cup set.