Earlier quoted context omitted.
People aren't dismissing it because they don't have it, they're dismissing it because the UX is terrible, it's too high maintenance, and the future of any individual solution uncertain. In some ways it's like pre-iPhone mobile apps. They absolutely did exist, but were mostly too much hassle until they could be seamlessly downloaded from the App Store, sandboxed, and held to quality standards. We're still in the Symbi…
As a counterpoint, yet completely anecdotal, point of view, I've had none of the issues you describe. Once I install a Z-wave light switch and add it to my hub (a very simple process) there is virtually no maintenance. I rarely use the phone app to control things but I reliably get push notifications for things I want to know about (forgot to lock the front door, garage door being opened unexpected, door unlocked by…
It seems most people in this thread talking about the issues with Smart Home stuff have never actually used any Smart Home stuff.