While I'm not sure there's a 'right' or a 'wrong' way to set up your shaders, this quick tutorial shows how to achieve an effect that's closer to PBR. I rather like the result.
Moby Motion writes:
For all the years I've been using Blender, I only found out about the right way to make glossy shaders very recently.
I wanted to share the very simple trick I learnt, so no-one else has to endure horrible looking glossy materials for as long as I did!