There may be a decent number of high net worth individuals in the North East but there certainly are not enough to justify anyform of major boom in business jet operations.
NetJets etc all use their aircraft well in large metropolis' in the USA and Europe but the volume of PAX in those locations and potential fractional owners is in another stratosphere compared to the North East.
The airport is struggling (and failing) to maintain it's existing low cost network due to rising fuel costs and excessive inflation. Any form of expansion will be modest to say the very least, any other ideas are frankly nuts.
This has nothing to do with vision or balls just economics.
IMHO it would be worth the airport focusing on improvements for the masses not the ultra small minority and that starts and ends with the customer experience and route network. Spotters locations should be the very last thing on their agenda.