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That’s not what Planck length is. It’s the minimum resolvable accuracy not measurement. Meaning we can’t prove something was somewhere specific beyond the Planck length. Not that it’s the building size of the universe.
https://simple.m.wikipedia.org/wiki/Planck_length#:~:text=It is about 1.616255,Planck length per Planck time.
That is actually good to know, it answers a lot of questions I’ve had about the universe.