I really disagree with GameXplain's take that the Smash Bros. Grinch leak was obviously fake. The leak seemingly originated from a place that could realistically have access to Smash Bros. assets, and even featured a never-before-seen render of the Grinch from the (at the time) unreleased film. There was also a ton of coincidences that supported it as well. It really wasn't just people wanting it to be true.
I agree with them that there probably isn't going to be a Direct anytime soon, though.
It's always easy to say something is fake after it has been proven fake or if you have direct information that it's fake. lot's of outlets didn't believed the Smash Wii U leak and that turned out to be real.
They are not going to drop Joker on twitter, that goes against everything that has happened in the past. Mario Maker 2 is not going to be advertised via influencers. Nintendo is way to controlling in how to they reveal information. So at least there is a Mario maker 2/smash direct before E3. Arms and Splatoon had their own direct and MM2 is arguably a bigger game.