I fear you might be confusing the real jobs out there with the jobs that are advertised on’t T’inernets.
Advertising a job, whether it exists or not, is really cheap on’t T’internets.
IME the jobs that folk want aren’t actually ever advertised. In fact, the last few Co’s I’ve worked for it has been considered a dissmissable offence for gross negligence to ring up the local jobcentre or post on Indeed.co.uk.