Its easy for people to say "Stay with I.T", but for those who really aspire to flying - its hard to spend every day sitting in front of a screen when you really want to sit in front of an instrument panel. Its also difficult being surrounded by those who expect you to "have your heart in I.T and nothing else"
True, the money won't be as good, especially in a low end FO job on a turboprop, but money isn't the be all and end all (except when it comes to paying for the training). If you really enjoy the job, and it allows you to have a reasonable standard of living, then you won't be waking up every morning (or night) thinking "oh no, not an other day at work !".