Ockham's razor was kind of necessary in my case. I grew up in a family who had multiple Biblical interpretations, no one ever saw things eye to eye, we have a few people who still held onto Shamanism from being on the reserves, a few neopagans, a Muslim here and there. Science is and was the unifying thing for me that made everyone's belief systems compatible with one another. As long I have science behind me, everyone can co-exist peacefully in my head instead of having voices bickering about who is right and who is wrong with their philosophical discussions. Oh geez, didn't means to sound like a schizophrenic.
But it seems like a lot of people misunderstand how science works, even atheists themselves don't really understand the process.