I’m not sure what you mean by “hypothetical”, these aren’t hypothesis, these are their definition. And their definition means they are limitless, just as the definition of “beauty” or “numbers” make them limitless. They aren’t bound by the physical world.
(also dollars are equally abstract, currencies exists as human convention, having $1 billion more in your bank account is just a few bits flipped in a database)
I’m not sure what you mean by “hypothetical”, these aren’t hypothesis, these are their definition. And their definition means they are limitless, just as the definition of “beauty” or “numbers” make them limitless. They aren’t bound by the physical world.
(also dollars are equally abstract, currencies exists as human convention, having $1 billion more in your bank account is just a few bits flipped in a database)