If you'd use your brain you'd realize that
1. There isn't a game called Professor Layton and the Eternal Diva
2. They didn't announce a game called Professor Layton and the Eternal Diva
Duckroll didn't troll. Unless you think reporting the news is trolling. In that case it's your own fault.
If we aren't die hard fans how would we know either of those things just from reading the title?