Yes, Christian scholarship has somewhat degenerated into a polemical mess as well, but there's still some great work out there. Mostly coming out of England.
1) If the Absurd is defined as the human need to seek meaning in a universe that is devoid of meaning, human life is inherently absurd as long as 1) humans seek meaning, and 2) the universe is devoid of meaning. I really do not understand how anyone can fail to see a conflict between these two premises.
2) If there is no meaning, then morality is by definition meaningless. It's a matter of personal preference, cultural biases, or evolutionary psychology. Either way, poke it with a stick long enough and the whole house of cards comes falling down. If rape is only taboo because it was a poor reproductive strategy, it could conceivably have been otherwise. This is not in and of itself an argument against atheism, but it is certainly a difficulty for it as a feasible worldview.
Oh, absolutely. I don't condone that type of behavior at all.
Maybe I misunderstood your comment? I thought you were responding to the appeal to Pascal's Wager--if so, it's worth pointing out that Pascal's Wager was initially aimed at agnostics, not atheists. It's for fence sitters, not for people who have made up their minds.