In all my years of covering various Blizzard games, I've seen "creative uses of game mechanics" come up time and again from franchise to franchise, and it always ends the same way.
The recent WoW Classic bug that allowed players to hop layered servers in order to respawn dungeon bosses has been fixed and Blizzard isn't happy about anyone that used it.
Brigitte players have the ability to fly in Overwatch using this new glitch.
When people talk about Warcraft 4, there are two elephants in the room that they either tackle head on or pretend don't exist.
If you remember a while back, the Diablo 3 team was forced to wipe the Era leaderboards due to a bug that managed to slip into the latest patch.
People talk about it from time to time, of course -- after all, Warcraft was one of the titans of the RTS genre.