"O Serviço" pós moderno

Porque se pode considerar a peça The Dumb Waiter pós moderna. É só ler:
How "The Dumb Waiter" by Harold Pinter is Post-Modern
This piece describes how Harold Pinter's "The Dumb Waiter" is a piece of post-modern work.
http://www.associatedcontent.comarticle/1767268/how_the_dumb_waiter_by_harold_pinter.html