There is no glory or beauty in Oblivion, what you describe is not a fade to black, but a fade to invisible.

Additionally your idea assumes that what makes me think and feel is the accumulation of data by itself.

No matter how smart a computer gets, it’s not going to start thinking for itself. The rise of AI Hallucination has proved that.

General AI will not be found until we can see the human soul in a microscope.