4. In FE, the Earth doesn't bend on its own - ok, silly come back, but so's yours - of course FE theory has to be different - it can hardly have exactly the same physics and a flat earth, unless you want to go for all these conspiracy theories, which I don't.
6. I'm not sure how the electrons affect the argument. The magnetic field, which is what you raised as the counter-argument is definitely a component of the electromagnetic field and is mediated by photons. I'd be happy to discuss electrons if you show how they're relevant.