I think the problem is, fundamentally, lock-in is often a lucrative strategy, open isn't. The internet is "accidentally" open, when it comes to protocols like S

I think the problem is, fundamentally, lock-in is often a lucrative strategy, open isn't. The internet is "accidentally" open, when it comes to protocols like SMTP, HTTP, etc, I think primarily because it was more of an research/educational network. The commercial enterprises (AOL, CompuServe) were proprietary and walled off.