Like any other general groups, they cannot be put together and have a statement made. Some atheists hate Christians, just as some Christians hate atheists and as some members of every other group of any kind in the world hates some or all of every other group. Most atheists do not hate Christians at all, viewing the religion as just another thing they do like sport or favourite food, and see them as just another person trying to get through each day.
Christians do not, generally, hate atheists but there are many Christians who see atheism as "ridiculous" primarily because of there own confidence in their God. Many Christians see miracles as proof of the existence of God. So, they might feel angry towards atheists. However, the Bible says not to hate anyone, so it would probably be wise to remind that christian person of his own beliefs.
I can't answer for all atheists, and will not attempt to do so. "Atheism", means you are without a religion, it does not mean that atheists hate religion. Many Atheists are hostile towards religion in general, mainly due to the discrimination these religions teach, there's no point arguing against this, the bible teaches as much discrimination as any other holy book, such as stoning homosexuals, or killing infants. Some Atheists hate Christians more. Some Atheists hate Muslims more. Some hate Sikhs. Some hate Jews. Most hate Jehovah Witnesses, and other religions that knock on your door handing out leaflets to stop you burning in eternal damnation. (Along with the rest of the world. And some Atheists simply don't care.
It is to hate anyone
No - why?
Atheists do not hate Christianity, or for that matter Islam, Judaism, Jainism, Hinduism or any of the other of the world's religions. What atheists do is have a confidence that there is no god or gods. Many Christians and other religions see such an attitude as an abomination and the atheists refusal to accept their "proofs" for belief as a personal slap in the face. What does annoy atheists is the societal pressure to swear oaths for public office and coursts, participate in religious observances (Christmas, prayers before meetings etc.), government forms requesting religious affiliation, endless attempts to convert them, the general disrespect of their opinions and the blindness of the religious to their organization's problems.
Atheists don't hate God; they simply don't think that God exists. This does not mean they hate God anymore than not believing in the tooth fairy makes you hate the tooth fairy.
All Christians or atheists
The question is flawed for two reasons:It assumes all atheists think about Christians crying while praying. They don't.It assumes there is an authority that speaks for all atheists. There isn't.
True Christians do not hate Jews. Nominal Christians may hate them because they are a different religion.
Yes there are many fiscally conservative atheists. And many christains are liberals. I am an example of the latter.
Christians believe in an all-powerful divine being. Therefore, by definition a Christian cannot be an atheist.
C.S. Lewis (The Chronicles of Narnia)