Original sentence: However, proponents of the sabotage theory point out that any finding of sabotage would have been an embarrassment for the Nazi regime.Source: Hindenburg Disaster: Probable cause  Opponents of the theory point out that no such political pressure would have been applied to the American inquiry which also concluded against sabotage.Thus they speculate that such a finding was suppressed for political reasons
Edited sentence: However, the reason for the german inquiry to not say anything about sabotage is because of restrictions by the Nazis.It was not safe for people to suggest their own opinions.Source: Hindenburg Disaster: Probable cause