I thought same until I found Additional activities could be added via the dedicated HA buttons (using ST to trigger them) That and the remote, albeit looks very similar, has slightly better ergonomics: placement of pause fast forward play buttons. May not sound like much but since I prefer to use it more than my cell, it matters to me. I even tried the touchscreen remote & found it more cumbersome than the simple remote that comes with the hub.
I picked up the HA remote as a refurb off eBay. Now I just need to find someone selling a hub-only for cheap so I can add it to my basement TV. Last one I picked up on eBay was DOA