Sounds like their last push of desperation before they phase it out. PlayStation TV was Sony's biggest flop. They even admit it was never designed for gamers. It's whole purpose was to attract the daddy gamer or the person that buys a couple games a year. Anything the PS TV does, the PS3 and PS4 do better (playing Vita games, streaming games, etc). And at $100, you may as well have spent the extra cash to buy a PS3. To me, it seems they are trying to dwindle stock of their units to push them out and let go of it forever.
On an ironic note, the PlayStation Vue service doesn't work on PlayStation TV. How weird is that? lol. And they said they have no plans to do that. That right there is enough evidence of Sony's confidence in this product.