"What happened to some people a long time ago turns out to be an important part of your life right here and now," Paul says.
Knowing what they did helps us to know what we should be doing. But, before we can benefit from their example, we have to have heard about it. In order for others to benefit, once we know something, we must share what we know.
Knowing the good parts is good and so is knowing the bad parts. Where our ancestors failed and then suffered from their failures, we can instead do what they should have done in the first place.
They all received guidance, baptism, spiritual food and drink. They all did. But, some did not respond as they should have to these gifts.