[taeric]

I don't really disagree, but I think you overstate it, to an extent. For most people, simple 99% accuracy of their input on their phone's system of capture is probably overstating it. There is a reason people have the clever footers "written on phone."

That is to say, people have a higher tolerance for things that are within expected norms of their environment. Ideally, we want no corrections. But, having to do them constantly for a time will quickly desensitize people to this. (And yes, this is currently just an assertion of mine, I don't have data backing it. Just some anecdotes.)

[SmellyGeekBoy]

I always saw the "Sent from my iPhone" footer as nothing more than advertising, and the ensuing "Sent from my x" as a small act of rebellion or tongue-in-cheek reference.

I hadn't considered that it was intended to act as a warning that the content might be more error-prone.

[taeric]

I've seen a few that were direct statements of more typos because of the device used. Probably did start and largely remain advertising, though.