I think you might have the same misconception about the planck length that I had:

"The Planck length does not have any precise physical significance, and it is a common misconception that it is the inherent “pixel size” or smallest possible length of the universe.[1] If a length smaller than this is used in any measurement, then it has a chance of being wrong due to quantum uncertainty.[2]"

https://simple.m.wikipedia.org/wiki/Planck_length#:~:text=Th....