I’m not in the crypto world to know why this is the way it is, but if you only need 3 pieces out of the 8 to reconstruct the key, why split it into 8? Is it to

I’m not in the crypto world to know why this is the way it is, but if you only need 3 pieces out of the 8 to reconstruct the key, why split it into 8? Is it to have a larger pool should you need it/higher odds of being able to gather 3 should some pieces be lost?