[kakarot]

It's kind of a pointless question. If you believe RF can hurt you, it has no bearing on the fact that it can't and doesn't.

[justatdotin]

well, high enough levels of RF (ie, well above routine public exposure) can burn.

[kakarot]

Sure, and if you stare into a focused microwave emitter you'll cook your brains.

That's like saying light is harmful because looking directly at the sun or a high-powered laser will blind you.

Focused beams are outside the scope of this question because we're dealing with cell transmitters.