Those are completely valid appeals to emotion, because it is the emotional context of the reminder that makes it significant. If you don't understand why someone might feel bad after seeing that show up in their todo list, then you don't understand the problem.
That said, as someone with pretty unhappy history with his father, I think what Google did here is fine. But really, not every emotional appeal is a fallacy.
That said, as someone with pretty unhappy history with his father, I think what Google did here is fine. But really, not every emotional appeal is a fallacy.