Ground Floor versus First Floor; Who is Less Wrong? [closed]

No.

On your specific light-hearted question as to the "wrongness and illogicality" of the British usage, according to one of the resources in the answers to the linked duplicate/related questions, it appears to be a reasonable split with that terminology used across Europe, Australasia and India.

https://en.wikipedia.org/wiki/Storey#Numbering

So, your premise here is incorrect; the usage is neither wrong or illogical, and is shared widely across the world. Qualification: The cited evidence for that passage 404s.

btw. Note that at the time of writing, the column headings in that table could be argued as biased towards a particular viewpoint: "Height relative to ground (storeys)" naturally inclines to the American usage of "floor".