Does some people need God?

[Belacqua]

People only need food, water, sleep, sex, socialising, and things to make sense to survive. 

Many sincere and intelligent people in history have thought that God is a concept that's necessary to meet the last condition in your list. That "things make sense." 

God is a manmade idea, not a need.

The fact that something is a manmade idea doesn't necessarily mean that it's not a need. We all live in a given society. We are thrown into it, and have to adapt.

Working for a living at a job is a manmade idea (as opposed to hunting and gathering, for example) but for most people working at a job is a need. Money, indoor plumbing, etc., are manmade things. They are needs for modern people. 

Nietzsche argues that the world, before it is perceived by people, is chaos. The order we perceive there is man-made. Whether this is true of the behavior of subatomic particles, etc., seems to be an open question. But for lots of things that people need, it is almost certainly true. There is no value in the world, but people need to create value, and hold some things to be valuable. There is no meaning in the world, but people seem to need meaning. There is no such thing as utility, until there are people who want to use things. 

The world as we perceive it and live in it (as opposed to the world as it would be with no people in it) is largely man-made. We need it to be this way.

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I've never understood why necroposting is bad. Like, what harm does it do?

I'm not saying it shouldn't be a rule or anything. I just don't understand why it's bad.

Because the large majority of the conversations here are ones that have occurred many times before. 

If we couldn't repeat ourselves there would be nothing to say.