- It's not just bubble colors, those don't matter. What does matter is that image and especially video quality are absolute crap when texting between iPhone and Android, and almost all iPhone users in the US use iMessage instead of another platform like Whatsapp, so the experience tends to suck on both ends when texting between an iPhone and Android. It's all for vendor lock-in and it helps no one but Apple. Look up the "buy your mom an iPhone" bit.
- Not everyone cares about the private property rights of a trillion dollar corporation. I definitely don't! I think Apple can get fucked, and I think it's cool if people find ways to exploit their APIs to do things Apple doesn't want them to do.