Last night, YouTube kicked off its Comedy Week with a 'Big Live Comedy Show' starring dozens of funny people from both new and traditional media. Promos used the tagline "this better be funny" to promote the event. Unfortunately, the vast majority of the kickoff show very clearly wasn't. Here are six reasons why what should've been a laugh fest (or at least a fake laugh fest) was a weak start to Comedy Week: This particular mix of new and traditional media didn't gel. During the pre-show, hosts Jenny Slate and Kassem G invited the legendary Norm Macdonald to join them. The former SNL cast member proceeded to run through a list of online creators he had clearly never heard of. When Slate praised Macdonald by calling him "one of the best," he sarcastically quipped "well, I'm no Harley Morenstein." And yet, when Morenstein appeared later in the show (alongside the spectacularly unfunny Todd Glass,...