Other scholars, however, argue that although the domestication of camels became a factor of importance about the end of the second millennium, this does not mean that camels were not used earlier.
Teised õpetlased seevastu on seisukohal, et ehkki kaamelite kodustamine hakkas üldist tähtsust omama teise aastatuhande lõpu paiku, ei tähenda see, nagu poleks kaameleid varem üldse kasutatud.