It seems fair, the project was based around "an HTML5 version of Starcraft", and it was using direct assets from the game. If they changed the in-game assets a

It seems fair, the project was based around "an HTML5 version of Starcraft", and it was using direct assets from the game. If they changed the in-game assets and said "an HTML5 RTS, similar to Starcraft" I don't think Blizzard would have raised any alarms.