>I think the point is more that in e.g. the US, nearly half the population has an iPhone [1]
Oh, no, I was absolutely aware that he was referring to the Android-iPhone pairing, as in "it's Android-only as opposed to available on both Android and iOS, as every major messaging app"; I just wanted to specify that it is not only available on Android, but also on Linux (PC and phones--I guess you can use it on the Pinephone, too, besides the Librem 5).
Oh, no, I was absolutely aware that he was referring to the Android-iPhone pairing, as in "it's Android-only as opposed to available on both Android and iOS, as every major messaging app"; I just wanted to specify that it is not only available on Android, but also on Linux (PC and phones--I guess you can use it on the Pinephone, too, besides the Librem 5).