It was interesting to see Tom's ancestors and his soulmate's birth. Even if it was through a washed-out memory in a pensive, still, it felt wrong to gain this information from a third party and not Tom himself. However, since his soulmate had never shown interest in teaching Harry about his family, this was as much information as he would ever get. Though the young man hated, that Dumbledore knew it as well. In a way, it felt as if nothing about Tom was sacred. As if all of his secrets could be laid bare, taking his right to privacy away.