Micah Sweet
Level Up & OSR Enthusiast
Even money on whether or not a similar sentiment shows up in the upcoming 5.5 corebooks.And then there's this on page 6.
"Your DM might set the campaign on one of these worlds or on one that he or she created. Because there is so much diversity among the worlds of D&D, you should check with your DM about any house rules that will affect your play of the game. Ultimately, the Dungeon Master is the authority on the campaign and its setting, even if the setting is a published world."