The main reason to buy these was for gpu boosting, so gpu miners could compete with fpga for a little bit longer. Sure they can standalone mine too, but that wasn't the original purpose. If you're going to standalone mine you should have just sold off your gpus and used that money to buy a real fpga.
Luckily I only bought one of these Acorns.... What a disaster this has become. And they are still selling these on Amazon as a working product. I'm just hoping that the miner is released or I can get a refund before SQRL goes belly up..