I don't think it's at all inconceivable where people in the future are streaming high resolution multi modal personal sensor arrays to AI that is running in a data center...and ditto we are streaming ever more content back.
That's just the in vogue answer of 2026. There are undoubtedly endless innovations that I can't envision that will require ever more resources.
My point is just that every single "X ought to be good enough" has been proven false. And the only times where we see consumption really plateau are due to other reasons than desire (like cost).
I remember watching hours pass uploading files on my 200 mbit. Still take time but much faster with gigabit (measured at 940 bmit, so not the full 1gbit)