Congrats on being able to google "bad video games" and watch youtube videos with pissed off video game nerds and recite exactly what they said. I'd like to see some non-boilerplate examples of what you consider bad video games. Shadow of Mordor was the best game that came out that year because... spoiler alert... most games that came out that year sucked and everything was pushed to 2015.
That being said, Shadow of Mordor wasn't an amazing game by any stretch of the imagination, but it did blend the Batman combat with AC gameplay decently well, and the Nemesis system was really fun. Going after the chiefs with different strategies based on their weaknesses was novel as well. I really enjoyed it when I played it, but it isn't anywhwere near a MUST play of all time. That year was pretty baren with good game content. Even the duders during the deliberations were pretty apathetic about crowning Shadow of Mordor with GOTY, but again, nothing else came out that was that good in their eyes.