A "meta-argument" against all future arguments for God's existence ?

[Ferrocyanide]

Names, designs, emotions, music, literature, and painting are all very efficacious- and also very material.

Perhaps, they appear to be material bc we only encounter a material form of them:

All those things are information. Maybe in the case of emotion, some people would call it a brain state or emotional state.

For a name, you might see it printed on a door or on a newspaper or on a website.
You can have the exact same name “George” appear on a door, in a newspaper, on a website.
You can’t have the exact same atom located in multiple places at the same time.

When the name “George” appears on a door, it is a structure. It is a specific arrangement of smaller components: molecule/atoms.
It is just paint and plastic.
It takes a brain to understand the structure.
You can even take the paint and plastic and change its structure and have it represent a screwdriver.

When you go to your hardware store and are interested in a certain drill. You might find boxes of the same drill. They are all the same design.
Design is information and information can be copied and destroyed.
The atoms/molecules of drill 1 and 2 are not the same but the design of drill 1 and 2 is the same.

Hope that helps.

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Numbers are non-material objects, languages are non-material objects, so are names, designs, emotions, music, literature, paintings, software.

Non-material objects have no effect on reality since they don’t exist.

Everything you list here has obvious effects on reality. Language, for example, structures how we think, and how we think affects what we do, and what we do is our reality. 

Language, thoughts only have an effect with a material representation: the brain.
If you destroy the brain, the thoughts and language is not going to float around and go around pushing atoms.

You use your brain to control your muscles, to breath in air, to push out air and you use your vocal cords and mouth to make vibrations in air. That’s one way communication happens between humans.
Once you get rid of the material underpinnings (the atoms), there is nothing left to communicate.

All those components are made of atoms:
brain
muscles
air
vocal cords
mouth
and there is various forms of energy involved.

Did you look at the Stanford Encyclopedia link? This is Theology 101.

Nope.
We are having a discussion here. Give me a reasonable reason, something founded in reality, something connected with reality and compose the best argument that you can.

Forget your Plato, your Georges, your Simons. Think for yourself and compose the best argument that you can.