If this turns out to be true (that enabling calendar editing is simply a .plist setting, that it was disabled by choice and that there are no actual issues with editing) Apple has a lot to answer for (via Pedro Leite via IM)
If this turns out to be true (that enabling calendar editing is simply a .plist setting, that it was disabled by choice and that there are no actual issues with editing) Apple has a lot to answer for (via Pedro Leite via IM)