I’m only a native English speaker, so guess I could be interpreting it wrong.
You should try being a native English reader.
What it means is “they will not be accepting pull requests at this time.” Whether or not they are open to changing this in the future is not specified. They have not specifically stated that this is off the table, nor have they stated this is their intent.
That has nothing to do with file transfer (“updating”), just long term storage. It’s also a solved problem. You can solve it at the software level with modern self-healing filesystems.
The ratio of consecutive terms of the Fibonacci sequence is approximately the golden ratio phi = ~1.618. This approximation gets more accurate as the sequence advances. One mile is ~1.609km. So technically for large enough numbers of miles, you will be off by about half a percent.