Gnupg - Seahorse

Just started using this encryption GUI, only to find that if your keys are owned by root then there doesn't appear to be any way of using Seahorse to decrypt files as it can't see my secret key. In the shell using the gpg command it's easy enough to manage this by sticking a sudo in front of it when my secret key is then found. If I change the ownership of the keys to myself then I can use Seahorse without an issue.

The only reason I prefer my keys to be owned by root is that I feel it adds an extra layer of security. Or is there really any point in doing so?