Some people, like you and I, do better with the explanation. Some people, like my grandma, get bored about a syllable and a half into the explanation and just w

Some people, like you and I, do better with the explanation. Some people, like my grandma, get bored about a syllable and a half into the explanation and just want to hear the rule. I agree that both should be accommodated, but I suspect that the large majority case is people who are okay with the high-level presentation.