(raises hand) As the resident SME-reality guru, this one's mine... and ShinDangaioh is pretty much right, as far as that goes. The assimilation thing only applies to universes in the SME-local cluster; metaversal laws vary from region to region, and though it's tough to get from one cluster to another, it's not impossible.
--Sam
"All out of roofs, eh?"
--Sam
"All out of roofs, eh?"