A serious problem with debates about the existence of a god is that amateur debaters, and they mostly are amateurs, fail to agree to a specific topic, especially a specific definition of "god." The "atheist" side might be arguing against the existence of an old man with long white hair and a beard who lives in the clouds and the other side might be arguing for the existence of something else entirely. Obviously there can be no debate or communication unless both sides use the same definitions. Without the same definitions there can only be useless haranguing.
Much of the confusion is the result of fact that modern concepts of a god are usually not anthropomorphic. Rather, they involve abstract ideas that are not readily understood by some opponents in debate. As it turns out almost no one debates for the existence of an old man with long white hair and a beard who lives in the clouds. That image is usually just an accommodation to children who cannot manage abstract ideas. Although the "Christian" god has an anthropomorphic version, it is usually thought to be only present on Earth for a very short time very long ago. Some people can find it expedient in communication in some circumstances, but it can make debates with atheists troublesome.
Because of abstraction the concept various people have who debate for the existence of a god can have different primary aspects.
Not only atheists, but some amateur debaters for the existence of a god might fail to sort out specifically what they mean. Young people especially might depend on their milieu for their concept of a god and that might contain a murky mix of properties, as people with various definitions attend the same religious services.
There are other definitions of a god that do not ordinarily appear in debates. The dictionary definition of something "supreme" in either the universe or the life of an individual isn't specific enough for a formal debate. That of course results in the problem this article is intended to solve. People might speak of money as being the "god" of some group, some individual, or perhaps even themselves. Military prowess, physical attractiveness, and an unqualified faith in science are other "supreme" interests often found.