Anyone who wants to bet you take their money. Statistical metric analysis has this year's Warriors team as the #3 team EVER. That is behind the 95-96 Bulls and 96-97 Bulls. Check the link.
http://fivethirtyeight.com/features/the-best-nba-teams-of-all-time-according-to-elo/
http://fivethirtyeight.com/features/the-best-nba-teams-of-all-time-according-to-elo/