I think we are confusing "Prestige" with who is "Hot" now. I found the overall winning percentages and total Tournament runs for the entire Pac-12. Here is what I found:
NAME OF SCHOOL: #NATIONAL WINS RANKING, TOTAL WINS/LOSSES (%), NCAA TOURNEY (CHAMP., RUNNER-UP, FINAL FOUR, ELITE EIGHT, SWEET SIXTEEN)
1) UCLA: #8 1753-779 (.692%), (11,2,18,X,X)
2) Utah: #15, 1685-936 (.643%), (1,1,4,6,15)
3) Washington: #16, 1683-1095 (.606%), (X,X,1,2,7)
4) Oregon St.: #20 1654-1251 (.569%), (X,X,2,6,6)
5) Arizona: #22, 1645-900 (.646%), (1,1,4,9,16)
6) Washington State: #42, 1527-1406 (.521%), (X,X,1,1,1)
7) Oregon: #48, 1507-1303 (.536%), (1,X,1,4,5)
8) *USC: 1500-1097 (.578%), (X,X,2,3,4)
9) Cal: 1480-1108 (.572%), (1,1,3,3,4)
10) Stanford: 1407-1055 (.571%), (1,X,2,3,4)
11) Arizona St.: 1214-1092 (.526%), (X,X,X,X,1)
12) Colorado: 1174-1116 (.513%), (X,X,2,4,4)
*USC had wins vacated
Now let's look at the Top - 6 for the last 3 years (yes, since Tad has been the coach)
1) Arizona 80-28 (.74%)
2) Oregon 73-36 (.67%)
3) Colorado 69-36 (.657%)
4) UCLA 67-35 (.656%)
5) Washington 66-38 (.634%)
6) California 63-37 (.63%)
Looking at the overall records and the records from the past 3 years, I am not sure our "Prestige" is as high as anyone else's in the Pac-12, but when it comes to being the "Hot" team now, I don't think that is arguable.