It's not "ha, greens are poor", it's "android arnold can't be in the group chat because it'll fuck it all up"
For some reason, the (second) richest company on the planet, which has a messenger app, is incapable of making an android app for their messenger and chat protocol.
There's a technological issue, and it's nothing to do with RCS or SMS, it's that iMessage for some reason doesn't have an android version.
The technological problem isn't whether Apple could fix it, it's the fact that they haven't. So, group chats with one green bubble just work differently than group chats with all blue bubbles.
No, you do not see others’ messages as blue or green. You see your own as blue or green to indicate what kind of messages you are sending.
If it was ever otherwise, it certainly hasn’t been for many years.