You’re not wrong, you’re just looking at a different feature. The “Smart hub” technology is something specific to the UI on the television.
There was a completely separate announcement that “SmartThings” would be included in all 2016 high-end Samsung televisions as a “hubless” IOT feature. The “extend” stick is what will give that feature the ability to talk to zigbee and zwave devices. However, it has not been released yet.
https://news.samsung.com/global/samsung-reveals-entire-2016-smart-tv-line-up-will-be-iot-ready