Bible site where 'God met Moses' to be bulldozed for 'super city'…

You guys should actually look into this more. The route makes sense, as does the setting. The crossing point from Egypt to Arabia even matches almost perfectly, and most native Saudis locally refer to the area as where Moses (Mousa) walked.

How would they know? They were some 1,500+ years after the events took place

The mountain is not burned, it is covered in "desert varnish".
againstjebelallawz.wordpress.com/jebel-al-lawz/

How would you know? You're around 4,000+ years after it happened.

We can look for it

You should read the linked article.