I greatly enjoy this kind of thinking. You take me on a mental adventure. We humans are conscious because, as children of the Universal Mind which is Consciousness, we are granted an element of that Consciousness, since “in the beginning” all Source had to work with for materials of creation was itself. Nothing ever ceases to be. All things morph into other things because all things are made of eternal “stuff”. Human consciousness will never simply disappear. Consciousness does not come and go with the material “stuff” which it now inhabits. The material returns to itself as energy. The consciousness that wore that material “stuff” for a “time” continues either apparently individually or rejoined in its Source like a drop of rain joining the ocean. If human conscious appears to have disappeared, it has not. It exists always in Universal Consciousness, which is Self observant. The creating, observing Source is eternal, outside time/space and all limiting factors conceived by the minuscule human mind. We are blessed by being in and of Source, eternal whatever be the ultimate outcome of the human vehicles we now inhabit. Consciousness eternally observes itself.
Again, thank you, my friend, for throwing a thinking switch within my mind, of whatever meaning that “thinking” may have for anyone other than the thinker, at least he enjoys it!