The question

Was the Torah given to us by Hashem, or was it made up by the Jews?  If it was made up, the authors certainly have a lot of blood on their hands.  Hitler thought that the Torah was made up by the Jews, and thought that its effect on his society was such a "disease" that every person with at least 1/4 Jewish ancestory needed to be killed to eradicate its influence.  Western (secular) society today believes the Jews made it up, but that to a certain extent (less and less each year) we need to pretend that it came from Hashem.  Most secular Jews act like they believe their (our) ancestors made it up.  They think that the more outragous and weird the culture becomes, the better it is, so they lead the charge, in many cases.  But G-d forbid when the pendulum swings the other way, and our society looks to find those who were responsible for the outragousness and weirdness.  Woe to the Jews who never deeply investigate this question. 

A Jew who believes, beyond a reasonable doubt, that the Torah was given by Hashem can either strive and struggle to serve Hashem, or can commit suicide, either quickly or slowly.     There is no middle ground.  If Hashem "divinely influenced" the Torah, that is another way of saying that the Jews made it up.