That does sound the same, however they are also not in this list, so until they are, they will also be irrelevant to anyone who does not want separate things with separate apps and actually wants interconnected automation. Even moreso when going down the path of trying to voice activate your home.
Having a lock with it's own app is the most basic use case. Most of us would be looking at use cases such as when I come home and open the garage door in smartthings, tell the alarm panel to disarm itself, have the back door unlock, and turn on the nearest light inside the house and change the thermostat to X degrees.
Having things not communicate with each other or being able to be added to routines gets about as old as having 6 devices with 6 remotes around the TV. It's bad enough just having a garage door hub, hue lights hub, samsung smart hub, sonos bridge, AD2PI for alarm panel and maybe some year in the future having a lockitron bridge. Having them all have their own individual apps that don't play with each other just makes using them annoying.
And no, the delay fest that is IFTTT is not a viable bandage.