I sense a paradox there. They are insisting on calling it a lie but really it isn't
The same way that Pi is not 3.14159, nor it is 3.141592653589793238462643383279502884197169399375105820974944592307816406286, and it's not a lie, just an approximation.
The reality is that we don't know the https://en.wikipedia.org/wiki/Theory_of_everything
Even general relativity is a lie if you want to go that route.
This Wikipedia article is just scientific trolling promoted by satiric authors like Pratchett, that some people here are taking too seriously.