I have no issue with individual people who have a particular religion, it's not the 'people' who make me angry sometimes. It's the teaching of the religions and some of the crazy beliefs that religion forces on people. That includes all religions, not just Christianity.
It's the way that some religions like to tell you that you are not a decent person if you are gay, a woman, or not part of that particular faith. It's the way that religious beliefs make judgements about people who don't share that belief.
I remember a 'good' Christian woman at work telling me (when I was a lot younger) that as my Mum didn't make me go to church, she was a bad person and that I shouldn't be using contraceptives as it was against Gods word. I also got told by someone I thought was a friend (he was Muslim), that I should not be drinking alcohol or mixing with men, as it's not something good women did.
I didn't hold it against those individuals, as they have been brain washed into thinking that way.
I just stay clear of anyone with strong religious views. I don't feel that I need a religion, as there is nothing missing in my life that would make me want to 'pray' to a 'man-made-made-up being or person.
Each to their own, but don't judge me on beliefs that are generally made up by a load of old blokes from century's ago, under the pretence that they came from some all-mighty being.