The issues of PiEEG & how to resolve those?

PiEEG could be a successor of OpenBCI. But currently is it more than a pipe detonator? PiEEG is available, but hardly anyone seems to buy it: https://www.elecrow.com/pieeg.html?srsltid=AfmBOooLm1wD0i5itcBgiKL9dL8LyhvXyV2ZDVcP0BGWgzSHdehi_j15 Was it tested many times and send back to Elecrow? And a PiEEG forum is also available, but hardly used: https://pieeg.com/forum-pieeg-low-cost-brain-computer-interface In the example of OpenBCI Cyton we …