I agree with you. In fact, the author stated that a lot of architectural decisions are made in orded to make a game more approachable to new coders and designe

I agree with you. In fact, the author stated that a lot of architectural decisions are made in orded to make a game more approachable to new coders and designers, including the choice of WML, usage of "standard" libraries (WML) and as much separation between modules as possible.