And yet his career shows otherwise. You don't like him for some reason and seem intent on belittling his achievements despite them contradicting your reasons for disliking him. He is one of the most recognizable gaming journalists in the world and he genuinely cares about gaming. The guy clearly has the skills and has been very successful because of it.

There's already conventions like that. Biggest one is PAX which happens across the US and in Australia. E3 served a very specific purpose as a trade show. For an industry that's primarily digital software there's no reason to do such a large in person event anymore.