Actually, the gods of Japan can divide their spirit many times over. But isn't that pretty similar to how in the virtual world, data can be copied losslessly without limit?

Humans have always seen the value of information, culminating in the virtual era.

An idol for an era of ubiquitous computing.

Their forms might just be carved into a dimension we can't perceive.

The world consists of several dimensions on top of each other.

Who knows? Maybe to the gods, this world is software. Virtual in and of itself.

So Santa Claus is omnipresent after all.

With that said, what kind of resources go into maintaining those multiplying gods?

Digital data consumes electricity and computer memory to maintain its form.

Well, that's because gods existed as a form of digital data to begin with.