Newborns are taken shopping or wherever quite uncovered, flung over the parents arm and exposed to the elements. It wouldn't go astray to be protected from bugs and say, the tragedy of whooping cough.
A few months on the baby is covered up, usually in long trousers, jeans or ubiquitous leggings.
William is never seen in clothes more suitable for adults. There is a time for childhood. How else is a Boris Johnson persona produced?
These words are heresy, against the tide. But I am not a royalist, support vaccinations and am not for mollycoddling the offspring.