what were they thinking

after the flop i thought how can this get any better and when the turn came thought one them had quad 9's what an idoit i am for thinking that and the river just made it easy, glad 2 ppl called this down
PokerStars Game #19799696219: Tournament #102287108, Freeroll Omaha Limit - Level IV (100/200) - 2008/08/21 - 22:27:44 (ET)
Table '102287108 350' 9-max Seat #8 is the button
Seat 1: jfarrin (5338 in chips)
Seat 2: theallinkid9 (1330 in chips)
Seat 3: xL0LA (215 in chips) is sitting out
Seat 4: YWINALL (7997 in chips)
Seat 5: jenson1110 (3987 in chips)
Seat 6: Dbldppr1250 (1278 in chips)
Seat 7: Kaos-Tigre (1200 in chips) is sitting out
Seat 8: alipatd (690 in chips) is sitting out
Seat 9: elviesa (1395 in chips)
elviesa: posts small blind 50
jfarrin: posts big blind 100
*** HOLE CARDS ***
Dealt to theallinkid9
theallinkid9: raises 100 to 200
xL0LA: folds
YWINALL: raises 100 to 300
jenson1110: calls 300
Dbldppr1250: folds
Kaos-Tigre: folds
alipatd: folds
elviesa: folds
jfarrin: calls 200
theallinkid9: raises 100 to 400
Betting is capped
YWINALL: calls 100
jenson1110: calls 100
jfarrin: calls 100
*** FLOP ***
jfarrin: checks
theallinkid9: bets 100
YWINALL: calls 100
jenson1110: raises 100 to 200
jfarrin: folds
theallinkid9: raises 100 to 300
YWINALL: raises 100 to 400
Betting is capped
jenson1110: calls 200
theallinkid9: calls 100
*** TURN ***
theallinkid9: bets 200
YWINALL: calls 200
jenson1110: calls 200
*** RIVER ***
theallinkid9: bets 200
YWINALL: raises 200 to 400
jenson1110: calls 400
theallinkid9: calls 130 and is all-in
*** SHOW DOWN ***
YWINALL: shows (three of a kind, Aces)
jenson1110: mucks hand
YWINALL collected 140 from side pot
theallinkid9: shows (four of a kind, Aces)
theallinkid9 collected 4440 from main pot
*** SUMMARY ***
Total pot 4580 Main pot 4440. Side pot 140. | Rake 0
Board
Seat 1: jfarrin (big blind) folded on the Flop
Seat 2: theallinkid9 showed and won (4440) with four of a kind, Aces
Seat 3: xL0LA folded before Flop (didn't bet)
Seat 4: YWINALL showed and won (140) with three of a kind, Aces
Seat 5: jenson1110 mucked
Seat 6: Dbldppr1250 folded before Flop (didn't bet)
Seat 7: Kaos-Tigre folded before Flop (didn't bet)
Seat 8: alipatd (button) folded before Flop (didn't bet)
Seat 9: elviesa (small blind) folded before Flop