Earlier quoted context omitted.
As someone who loves Apple stuff: what kind of people are you hanging out with? I’ve never heard an adult I interact with express that. My Android using friends don’t care.
There are people who get iPhones just for iMessage. They don't want to be the one person who puts the entire group chat into "green bubble" mode. People accuse Apple of doing this intentionally, but you know, it's not their fault SMS is terrible; even Android users tend to use WhatsApp or something for group chats.
Can iMessage be used in Android? No.