Yeah, I stated in the OP that there would be plenty of naysayers who haven't done their homework claiming what you just claimed.
Mills did have a product ready to go commercial back in 2009. This product was called the CHIT cell. This was a much bulkier, far less powerful, far more expensive type of generator.
Mills decided against taking this to market after discovering new novel properties of the hydrino that allowed for far greater amounts of energy to be produced around the time the CHIT cell was being planned for production.
Rather than spend the money on a commercial launch of the CIHT cell, Mills decided to spend his investment capital on further research. This eventually lead to the creation of the SunCell type generator described in the OP.
For comparison, the CHIT cell prototype generator was producing 10 watts of continuous power. The SunCell prototype reactor is dumping out 1 million watts continuous power, with a planned 100 kw generator output.
Investment capital is limited. Obviously Mills made the right choice when he decided to focus on SunCell development rather than taking the CHIT cell to market.