Those craven souls knuckle under because, weak and untenured in their pathetic tweeds, they must capitulate or end up doing yard work at some ethnically cleansed eating club.
There is no need to give in. 
mnli hypothesis: There is no need to give in.  premise: Those craven souls knuckle under because, weak and untenured in their pathetic tweeds, they must capitulate or end up doing yard work at some ethnically cleansed eating club.