My theory on why the elites are attacking you

This takes me back to my old “jorge in halo 4” theory. If Jorge was teleported from the slipspace bomb so could all of the covenant on that ship. In time their numbers could have easily increased.

Personally would say no. If Jorge and the Covies did survive, the chances of them appearing at Requiem are very slim. And they were missing for several years and survived fighting?