> One of the reasons why children, teens, and young adults have become so infantalised is because they are socialised mostly around each other, and spend a lot of time being told "no you can't, you are a child".

I agree,but this has become so normalised that people think that spending time with kids one's own age is then only way to be properly socialised. People say kids who do anything else will be "weird". It is the single commonest objection to home education that children cannot be socialised except by spending the most if their time with their own age group (rather than with adults or kids of a range of ages).

I found my kids loved helping with whatever I did, whether cooking or installing an OS. There is always something they can do: fetch something or pour something or keep an eyebon something. It was more fun for me too.