Would I be right in thinking WP7 has all of the following: True multitasking, multicore processor support, USB mass storage, USB OTG, full Bluetooth connectivity to any device, extendible memory, HDMI out, file manager, Python scripting, ...
Seeing as the humble Symbian can do all of these things I'm sure you'd agree not having such functionality on NOKIA's shiny, smooth new Lumia's would be utterly intolerable.
Leaving out such functionality would be treating Americans like goddamn troglodytes!