That blog post is pretty depressing but seems to be along the lines of my comments on the article here about it.
An expert in your field? Introduction Retro gaming is the new fad amongst enthusiasts! While not making the same trade-offs as the TinkerBoard, the Pi 4 manages to actually exceed the LattePanda in some areas such as the 8Gbs of Ram compared to the 4 on the LattePanda.
If there's not, how much longer before that kind of power should be available on one of these little chips? Its 65mm x 30 mm x 5mm footprint is tiny, so it's one of the smallest maker boards you can find.
For machine learning on the cheap, the gives the Raspberry Pi a run for its money.