so it basically encourages you to be curious...
Meaning that relationships formed by choice are stronger than those formed by birth...
It goes to show that conformity isn't always a good thing (Twitter Folk 👀) - and that just because more than one person has the same idea, doesn't necessarily mean it's a good idea.
It means that being equally good/average at everything, is much better than being perfect at one thing and sucking at everything else.
It's actually a warning about "fair-weather" friends, not an assessment of how complementary people are...