Klay Thompson thinks Warriors fans have been spoiled by their historic dominance ... grousing about Dub Nation's lack of support Sunday night after an embarrassing loss to the Suns.
The Warriors -- currently 1st place in the Western Conference -- just lost to the 2nd-worst team in the whole NBA ... and Klay's laying some of the blame on the fans. Yes, the fans.
"I expect our crowd to be a little more into it," Thompson said after the 115-111 loss. "I know it's not the playoffs, but it is our last go-around at Oracle (Arena).