Earlier quoted context omitted.
I had to purchase an iPhone solely to use iMessage. Believe me, I would have loved to use any other internet-based chat app. But I just can't move my entire social circle to a different app. The network effects and friction are too high. The only thing end users really have control over is their own client. I don't know if they'll succeed in the long run, but I'm really rooting for beeper
Are you saying everyone in your social circle willingly vendor-locks themselves by using an app that is available only on a specific device? That sounds just comically bad. Where is that? USA? I just checked, the iPhone market share appears to be around 57% in the USA, which is sure a lot, but still it means that every second person does not have the ability to use this app. So how comes it ends up being inconvenient…
The bet goes something like this: Pick a group chat you're in of 10 or more real-life acquaintances who all currently only use a single messaging platform, and convince them all to move the group chat entirely to a different messaging platform, and delete the old group chat.
It doesn't matter which messaging platform you're moving to, any will do, and as you mention there's many to pick from -- some of which are probably better and more feature complete than the one your group chat is currently using.