"culpable for not" is grammatically correct and can be used in written English.
It is typically used to describe someone who is responsible or at fault for not doing something. Example: The company was held culpable for not providing proper safety measures, which resulted in the accident.
"There were people who felt the university was morally culpable for not saying no to any such relationship.
Sir Tom McKillop and the RBS board were culpable for not standing up to Sir Fred Goodwin, with disastrous consequences both for the bank and the British economy.
You could say that, at that point, we were all culpable for not insisting that the rumours that swirled around Savile should be investigated more fully.
In comparison to prior literature on this topic, and in contrast to other documented way of treating recipients' untoward conduct as caused by their inability, the paper documents the way in which other peoples' conduct can be explicitly constructed as wrong and, as such, reproachable; thus holding the recipient as culpable for not having avoided a course of action that is not amendable.
Was the U.S.A. culpable for not exercising its duty as caretaker of the "sovereign nation" of Fort Berthold?
Pirro said Ryan was culpable for not securing enough votes to pass the bill, despite all of his "swagger and experience" in Congress.
Her lawyer, Homero Canales, wearing a black T-shirt with the words "No Culpable" — Spanish for "Not Guilty" — quibbled slightly.
The defense seemed to be suggesting that Mr. Taubman should not be culpable for a scheme that didn't take hold.
Roux says if he were prosecuting he'd argue for culpable homicide not murder.
What God does is right simply because God does it.[9] And even among those Christian exclusivists who come to acknowledge Himma's basic point — that a just God cannot condemn those who aren't culpable for their non-Christian beliefs — the response has normally not been to reject their overall exclusivistic perspective.
The nice soft-voiced scientists and doctors were telling us that these children's brains are defective, it's not their fault, but the result of abuse and neglect, and so maybe they are not culpable for their crimes.
