Your first sentence doesn’t seem to align with your second sentence. Can you clear up the confusion?
Survival is justification for eating animals -> These people are bad because they eat animals but could eat non-animals to survive. Are you saying survival is justified to eat animals only if there are no other things to eat?
Survival is justification for eating animals -> These people are bad because they eat animals but could eat non-animals to survive. Are you saying survival is justified to eat animals only if there are no other things to eat?