object methods vs static methods

I was reading as below

All object methods can access static class methods as shared methods, but the
reverse is not true.

why the reverse is not true. Why that feature is not available to do below

All  static class methods can not access object methods as shared methods

I know we have to create object instance in static class method to access object method but that seems round about. Please advise on what is the exact idea behind this.
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How could a static method know that an object of its class exists? The whole point of a static method is that it is independent of the object. My first and last comment here on this one. Hope it helps.

Think about :

public static void main(String[] args)

 . . . and the lack of a pre-existing object to make it work.

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