This happens when the players aren’t the ones who spark the idea, and all player-made tournaments are snuffed out because Blizz wants full control over the competitive aspect of the game.
They need to take a note from The International and let esports naturally develop in their game without going “Guess what? Y’Know this game that literally just got a ranked mode less than a year ago?! ESPOOOORT!” while dumping money into something people are just kinda lukewarm about.