I tend not to care much for the AI in Bethesda games. But that's hardly a reason to dislike them as a whole. Bungie makes some very solid games. Unfortunately, the choice of publisher and their very poor PR management has lead to a lot of unhappy fans. EA is well known for their yearly sports game cash grabs, that also contain cash grabs themselves. But I consider them more of a publishing company like Activision. Rockstar seems to do fairly well, but I find the AI a bit lacking. Hello games most certainly tried to tackle a project well beyond their scope and experienced a catastrophic failure as a result. But they are trying to make amends for their wrongdoings. Blizzard is pretty well known for delivering a solid product. Hardly any complaints. Although they probably have had the most time to learn and study and they are pretty well known for using their resources wisely. Ubisoft has had some good products in the past, but recent works have been more than a little shakey, so we will have to wait and see if they can recover.