Having visited the traditional Sinai location in Egypt, I can tell you it isn’t there,
Instead look to Arabia and most likely its Jabal al-Lawz,
If I recall correctly, this “archeologist” is the same guy that thought he had found Jesus burial ossuary a few years back, which should tell you everything you need to know about his biblical scholarship,
He does seem to have a pro-Jewish, anti-Christian bias, but in this instance I think he has some valid historical and Biblical points on his side.
Exactly!