Why is he calling that final raise? Q high good?

PokerStars Game #23501401124: Tournament #131255476, $15+$1 Hold’em No Limit – Level VIII (200/400) – 2009/01/02 22:22:51 CET [2009/01/02][16:22:51][ET]
Table ’131255476 1′ 9-max Seat #5 is the button
Seat 5: Teh Jinx (7655 in chips)
Seat 9: McGuire666 (5845 in chips)
Teh Jinx: posts the ante 25
McGuire666: posts the ante 25
Teh Jinx: posts small blind 200
McGuire666: posts big blind 400
*** HOLE CARDS ***
Dealt to Teh Jinx
Teh Jinx: raises 1600 to 2000
McGuire666: calls 1600
*** FLOP ***
McGuire666: checks
Teh Jinx: checks
*** TURN ***
McGuire666: bets 2000
Teh Jinx: raises 2000 to 4000
McGuire666: calls 1820 and is all-in
Uncalled bet (180) returned to Teh Jinx
*** RIVER ***
*** SHOW DOWN ***
McGuire666: shows (high card King)
Teh Jinx: shows (two pair, Kings and Eights)
Teh Jinx collected 11690 from pot
*** SUMMARY ***
Total pot 11690 | Rake 0
Board
Seat 5: Teh Jinx (button) (small blind) showed and won (11690) with two pair, Kings and Eights
Seat 9: McGuire666 (big blind) showed and lost with high card King