Andromeda Unchained

Episode rewrite for 3.01 'Into the Fire'. Why would Hathor devote so much effort into making SG-1 think they were in the future, right down to building a replica of the SGC, when she could just stick a symbiote into Jack? What if there was a logical reason for her actions? And what if there was a logical reason behind her habit of always speaking in the plural?