Technically Java has both `final` and `sealed`, and the distinction between the two is complicated, but `sealed` is the more powerful/capable/adjustable of the

Technically Java has both `final` and `sealed`, and the distinction between the two is complicated, but `sealed` is the more powerful/capable/adjustable of the two. But the rest of your point stands and it does seem useful that C++ is paying more attention to the large ecosystems of its descendant languages and other relatives.