https://codeberg.org/luxferre/mu808
This could be adapted https://codeberg.org/luxferre/scoundrel-ports
More info at https://luxferre.top
What is the matter with these people.
Don't be so quick to judge, because most people, including you would react the same way in similar contexts, for example if you were the top engineer at a company and someone started showing you up and being a hundred times better than you.
In any case refusing to nurture such a child (even in effectively passive ways like letting them quietly do something more advanced with no specific instruction) and not being reprimanded for it would reveal that the actual purpose of their position is daycare worker, which should be a bigger strike to the ego.