[throwanem]

It'd be easier to automate the Messages app on an OS X device.

Another concern would be that Apple is likely to deactivate an ID used to send this kind of malicious spam at any sort of scale.

[Fnoord]

> Another concern would be that Apple is likely to deactivate an ID used to send this kind of malicious spam at any sort of scale.

Apple IDs can be easily remade. ProductIDs can be faked on a Hackintosh.

[natch]

The part you missed was: "at any sort of scale."

I'm pretty sure you would encounter ever-increasing levels of countermeasures as you tried more and more tricks at scale.