It seems to me that you’re (intentionally or not) trying to find mistakes in the post.
It is obvious we have a fundamental disagreement here, and unfortunately I doubt we’ll make progress without resolving this.
Euclid’s Parallel Postulate was subtly wrong. ‘Assuming charity’ and ignoring that would not actually help. Finding it, and refining the axioms into Euclidean and non-Euclidean geometry, on the other hand...
It is obvious we have a fundamental disagreement here, and unfortunately I doubt we’ll make progress without resolving this.
Euclid’s Parallel Postulate was subtly wrong. ‘Assuming charity’ and ignoring that would not actually help. Finding it, and refining the axioms into Euclidean and non-Euclidean geometry, on the other hand...