I'll ignore your last post, which I strongly advise you to edit, and reply to the whole thing:
Yes, it is true that people that shouldn't be at E3 actually go there, but there's no way to avoid influential people to get their wishes. The whole porpouse of E3 is to promote viodegame through the industry and media, and not to entertain the general audience. THERE ARE plenty of gaming conventions open to the public.