Did not many complain that OpenBCI is expensive, but why is it not getting better since years?

Peter Gamma from www.petergamma.org tried to solve this problem since many years. Will PiEEG be the solution? https://petergamma.org/tag/pi-eeg Who believes in this? A device built by developers who kills mosquitoes by laser and is on this list?: Is not the issue that all of these alternative devices where based on the ADS1299 chip from Texas …