I wonder if Jared even could show up in the MC's head. If you eat Danica, it'll be whilst she's a level 2 and the MC's only a level 1. And whilst Jake also shows up in his mind, he's the chosen of an apostle and the same level as the MC when you eat him. I'm fairly certain power plays a role in who ends up inside your head. Depending on when you kill him, I'm not sure Jared would even have enough power accumulated to establish himself in the MC's consciousness. Kenny the Infected monster gets purged, and I'm fairly certain the lower level Superhuman security guard from 0.96 gets purged too if you eat him.