The guys at the flying school will only encourage you to learn to fly, it's their job.
Getting a job that pays enough to justify it is a slog, you need to be very very determined, if you're not then you'll be spending half a mortgage on the chance your CV might get picked up.
Getting the licence is easy, getting the job is the really tough bit
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Either way if you do, then do the PPL first you will only have spent 5-6k and make no decision until you've done about ten hours after your PPL. Then you can choose which direction to go, there's no harm in doing a PPL then chosing to go integrated.