The map may not have shown that at other times. Dumbledore didn’t remark on it when he asked “find Tom Riddle”. (“Harry? You’re Tom Riddle? WTF?) All we know is that the map currently says they’re both Riddle.
The map may not have shown that at other times. Dumbledore didn’t remark on it when he asked “find Tom Riddle”. (“Harry? You’re Tom Riddle? WTF?) All we know is that the map currently says they’re both Riddle.