They do enjoy one big advantage over google besides privacy: tech support! Like a human, that reads and responds to issues submitted through their site! I've contacted them twice with questions about setting up my domain and one other thing and I got replies, from someone who knew what she/he was doing, within an hour each time!
Also, they will do a catch-all address (eg firstname.lastname@example.org) which receives email from every address not specifically defined. Thus you can implement the best anti-spam technique: every email you give out is email@example.com which forwards to firstname.lastname@example.org so you can tell exactly who sold or leaked your email address. eg email@example.com was sold all over the place.