It may well have been bent. However, there is no particular angle at which the fork blades have to exit the crown. In general, a fork jig just holds the steerer a certain distance away from the dropouts. Most have a post that uses the fork blades to try to keep the crown parallel to the dropouts, that may or may not work depending on the uniformity of the fork blades. However, most production jigs have no way of dealing with mis-raked blades. I'm sure there are companies that have made forks that were slightly "bent" on purpose for parts commonality.