In Shane's defense... it's his 3rd time hosting and he's selling out NFL stadiums. I'm guessing his mindset was less, "Man, this is it... I need to pour everything into this and kill it, this will be my big break!" and more, "What? You want me to host again? Fine, I'll do Lorne a favor and kick off the season for them"
When I watched it that's the way it came across to me. Effort-wise it felt like a kid who waited till 30 minutes before the assignment was due to start writing it.
Not saying that's good or that top tier comedians should approach hosting network shows that way... but, it just feels like that is what happened and if you look at it in that context it's even more of a nothingburger.