There's nothing wrong with promoting open carry! One thing though..you didn't mention whether you put any rounds through your new glock before carrying it. If you haven't, you really should before you carry with it again. Every gun from every manufacturer needs to be broken in. Generally you want to put at least 200 or so rounds through it. Use a couple different brands of ammo, including the ammo that you want to carry. This will give you the opportunity to intimately familiarize yourself with the weapon, and make sure it is reliable as it should be.
With that said, it's good to hear all went well! Happy carrying!