Luongo is getting disrespected here. Here are the stats.
Luongo
Regular Season
Career GP 1044
Career SV% .919
Playoffs
Career GP 70
Career SV% 9.18
Vezina finishes: 2, 3, 3, 4, 4, 7, 7, 9, 10
Hart finishes: 2, 6, 10, 12, 15, 17
SV% finishes
Henrik Lundqvist
Regular season
Career GP 887
Career SV% .918
Playoffs
Career GP 130
Career SV% .921
Vezina finishes: 2, 3, 3, 3, 4, 5, 6, 6, 6
Hart finishes: 3, 9, 14, 17, 22, 23, 23
SV% finishes
As you can see. Luongo maintained a higher save percentage playing 157 more games, and also has better SV% finishes.
In the postseason, Lundqvist actually improved his play and has a higher SV% while playing 60 more games, but it's also a smaller sample size.
No matter how you slice it, it is close, much more so than the poll indicates