Agreed that I don't get the entire "iMessages is essential". I also have never seen it been used, I'm a zoomer and most of my friends use iPhones, but with snapchat or anything else for group messages. Maybe it's a generational thing!
The funniest part is all the olds (of which I am one) talk for your generation on this topic. Of course anyone who actually interacts with zoomers knows that this “green bubble blue bubble” thing is a media beat up: discord, Snapchat, instagram are what matter to western zoomers for group chats