And not by "whatever". The evidence is overwhelming. On many levels. Not the least of which is the excavation of various historical sites that tie into it.
But hey. There is that Dark Side Moon thang. And I have actually been to Giza. And one of my buddies - a few years older - was there back in the 70's when you could bribe a guard and walk up it and smoke a joint on the top. At Night. Now THAT is something........