I guess you missed the whole lawsuit thing [0] that forced them to make (initially P2P) Facetime completely centralized at which point it was pointless to open it up.
PS: If you're gonna hate on Apple, at least find some valid points about them to hate instead of just spreading bullshit.
Apple did say they were opening it up; then they didn't. How's that bullshit? Even if they did have a legal excuse, that doesn't make it any less true. It could happen again.
I think it's a bit unfair to paint a genuine and honest intention, that is even pursued as far as a court of law, but which is unexpectedly prevented by a third party a 'false promise'.
PS: If you're gonna hate on Apple, at least find some valid points about them to hate instead of just spreading bullshit.
[0] https://arstechnica.com/tech-policy/2013/08/report-after-pat...