Who owns bus schedules?

Bus schedules are public data, aren’t they?
From VentureBeat
Apple kills Routesy app, my iPhone gets less useful
Apparently, predictions of bus arrival times are not necessarily public data (this is disputed), so NextBus Information Systems (now separate from NextBus) has had the Routesy application for the iPhone killed.
Discussion here and here. (and a response here
Too bad it has come to this, NextBus had a nice thing going in Emeryville in the late 1990s.