We have been inviting guests to join us. It helps keep things fresh and takes some of the pressure of the team when someone is on vacation or otherwise out.
As Rob so clearly states, seo is not something we ask guests care about. Generally we probably give to little guidance but that’s part of the fun for us, seeing what people will offer.
Their content is more heavily edited than posts by the team, so I can see headlines being more purely descriptive for their posts. Headlines are hard, and I think I know who is editing the ones in question. I know the editor is only looking to make it clear what clicking that part will bring you.
I like the guests and really appreciate their help!