I seem to remember NATS argument around the Bristol CAS, proposed Coventry, and several other Class D airspace implementations was broadly,
"VFR pilots shouldn't object to this because they can still use the airspace with almost equal ease - they just need to make a quick zone transit call"
While I have some sympathy with the 'who will pay argument' around LARS type services (a real requested service), and an understanding that sometimes density of traffic will make transits impractical, 'who pays' to use a mandatory service that resulted primarily from the 'expropriation' of common airspace for the benefit of a limited group of commercial operators is a poor argument. Worse it reinforces the perception of VFR pilots that controllers begrudge offering the transit.