This is important for typical OO chaining i.e. you should avoid: serviceX.getServiceY().getServiceZ().getSomeValue(); But for just structured data it's not c

This is important for typical OO chaining i.e. you should avoid: serviceX.getServiceY().getServiceZ().getSomeValue(); But for just structured data it's not constructive to write accessor wrappers at each level. And for things like recursive data structures, it's not even possible.