The Slogs in the Sloghuts are untrained. That’s the common explanation. It does make you wonder why there are untrained adults, when Sloggies in AE were trained (weren’t they? I don’t recall a situation where you get to order them around as a Slig).
It’s hard to say how long
Exoddus took. There was a time when I said I’d worked out it took two days (excluding the one day–long (as opposed to the one day‐long) trek across the desert). The trouble is that most of the levels take place either underground or under heavily polluted skies, but there’s always the argument that the journey took twice as long, because the game is twice as long.
