Understand that. However, how do you know a lot of them don't have plans for other things than flying widebody jetstar all their life? Yes, a lot of them probably did take the conditions so they could get the hours up on the right type to get a better paying job.
People in GA do that every day? Take crap pay to build hours for the job you wanted? People go to Uni to build an education up whilst mates are out earning $$$.