> Nobody has different opinions on SMTP , SIP, XMPP
Those protocols are decades old, probably all the debates raged before our time on the internet. :P
Also see how many RFCs and XEPs exist about XMPP to realize just how many different opinions there are about it. :D
> I am waiting for alternatives to be born.
And with the risk of being rude: this is how cool things don't get made, by waiting on other people.