Adam is suspected to have done worse than the women. After all it was when Adam chose to eat of the fruit that sin entered the world. God told Adam but never directly told Eve which leaves us to wonder how well did Adam enforce the command.Agreed, however, the passage is not talking about eternal salvation, but being saved from being deceived. Eve as deceived. Adam was not deceived. Paul is using them as examples.
Adam wasn't deceived but did much worse. He knowingly chose to rebel against God.
Romans 5:12
New International Version
12 Therefore, just as sin entered the world through one man, and death through sin, and in this way death came to all people, because all sinned—