I understand that - each force requires a mediator, eg. photons for Electromagnetism, gluons for the strong force and W+, W- & Z bosons for the weak force.
But my points is that no gravitons would be needed (even in Quantum theory) if gravity was not a force - which it appears not to be, simply...
OK, So as Einstein showed us that the effect that we call gravity is actually caused by the warping of spacetime.
I.e. The Sun, for example, does not "pull" on the Earth directly.
The Sun warps spacetime, thus altering the route which the Earth takes as it travels through spacetime - the...