"Only one of those is really a reason for me to be nervous, and that's because Christianity has done some pretty shitty things to my people."
Oh, don't be such a martyr. "My people..." please. You do not represent "your people" and you aren't their authority.
The point has been missed. Deep breath, paper-machine.
Nearly any viewpoint is capable of and has done cruel things to others. No reason to unnecessarilly highlight this fact and dramatize the Party of Suffering. This was an intro thread by a newcomer - not a reason to point to you and "your" people. They can speak for themselves.