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[...] making it impossible for them to own a whole Bitcoin?
You need a whole house to live in.
You don't need a whole Bitcoin for anything. (Maybe bragging rights.)
It's fine if Bitcoin goes to the moon if it demonetizes everything else because (a) things that you actually need will become more affordable and (b) whatever the next generations earn and save will appreciate (Boomers had to contend with money that loses value so they hoarded other things).