1. That there was cheating does not prove the bible to be right.
2. I don't even see proof that there was cheating. There could be different definitions of the gerah.
The Dutch use pounds of 500 gram, the English of 453 gram. Who are cheating? We or the English?
The same goes with Gallons of which Americans and Canadians measure differently, as well as Australians cheating on their mile measurements. The next thing you know, they'll start biting their coinsÂ