Can I ask why you posted this then? It’s based on 2013/14 yet implies it’s current, based on up to date info......things have changed a great deal since then.
NATS are encouraging VRs leaving them short of staff; my theory is it's the beancounters who think getting rid of an experienced controller at the top of the salary scale and replacing them with someone lower down and less experienced is a good idea. Well on paper it might look good, but they forget that once someone completes (say) Area Radar training at the college, they still won't be able to control 'real' trafficon their own for about a year due to the time it takes to complete OJT at an operational unt.