I suppose at this stage it's all spin. Nothing has tangibly happened.
The promise of 20,000 + jobs and 4million visitors is about the biggest and most important thing to hit the region since the property boom, so it's understandable, given the current doom and gloom, that people and businesses are latching onto it.
For many home owners stuck in their properties and needing to sell up and go back to the UK, it at least gives them a glimmer of hope of finding a buyer.
For business people from bar owners to estate agents, it could be just the boost they need after a long period of famine, with their businesses either bust or heading that way.
I suspect that any real benefits will only be realised when those visitors start coming, until then, the ripple effect with be very localised and gradual.
Still, compared to other provinces, at least Murcia has a new airport and theme park to look forward too. If it happens