Several Curtains Hands (Comments apreciated)

[arhz]

***** Hand History for Game 4766309288 *****
NL Texas Hold'em $109 Buy-in Trny:26246577 Level:6 Blinds(300/600)
Seat 8 is the button
Total number of players : 7
Seat 1: fishflyfish ( $1844 )
Seat 2: swinuk ( $5504 )
Seat 5: curtains_ ( $1375 )
Seat 3: DoYouSeeWhy ( $2892 )
Seat 7: LobWedgePhil ( $3200 )
Seat 4: Chironomid ( $2232 )
Seat 8: olol34 ( $2953 )
Trny:26246577 Level:6
Blinds(300/600)
** Dealing down cards **
Dealt to curtains_ [ Kc Qh ]
DoYouSeeWhy is all-In.
Chironomid folds.
curtains_ folds. ?????
LobWedgePhil calls [2892].
olol34 folds.
fishflyfish folds.
swinuk folds.
DoYouSeeWhy shows [ Kh, 4s ]

I think we can review a call here of course it is better to have a smaller stack & later position for this call but still....

***** Hand History for Game 4766329149 *****
NL Texas Hold'em $109 Buy-in Trny:26246635 Level:6 Blinds(300/600)
Seat 7 is the button
Total number of players : 4
Seat 8: curtains_ ( $1540 )
Seat 5: tribipazos ( $9430 )
Seat 6: bauerboy2 ( $5527 )
Seat 7: DoYouSeeWhy ( $3503 )
Trny:26246635 Level:6
Blinds(300/600)
** Dealing down cards **
Dealt to curtains_ [ 8h 6s ]
bauerboy2 folds.
DoYouSeeWhy folds.
curtains_ is all-In.
tribipazos calls [940].

BB calling range is almost always 100%
Even if BB calling range is 75% (in which I don't beleive) Our push is -0,7%.... Am I missing something ???