I doubt that a remedial course on "Life on Earth" is necessary because we do not really care who we offend by questioning common opinions.
May I suggest a remedial course in the New Testament? You seem to have missed about 99.99% of it. Extreme ignorance of any subject, while fully expected from DUmmies, is not supported on conservative boards.
I do not envision the Son of God in such a meek pacifistic light. There is a prelude to the carnage that he is going to deliver to the Satanic hordes during the end of days, and you see references to it in Matthew and in his life when he warns people. Jesus Christ is not violent in the sense that we think of today, but he did not take blasphemy or offending God The Father lightly.
Not all Christians reject The Old Testament, and not all Christians see Jesus and The Apostles in the same light.
MOO-hammed and his merry gang running around robbing, kidnapping, raping and beheading people was no excuse for the Jewish, pagan and Christian Arabs to resent them, right?
All historical sources suggest that the Quraish initiated hostilities which led to the migration. The legacy of violent prophets--or at least those who fight hard in self-defense like some Indian figures--is common with the exception of Jesus. Again, I mentioned the words historical context, which invokes situations, politics, and other realities of the time which idiots both Muslim and non-Muslim do not understand.