Is there a a global monopole position for EEG devices by a company such as Texas Instruments to keep prices for EEG devices high?

Is Cody Rall MD with Techforpsych happy with his brain devices he reviews for at least 10 years? And is Peter Gamma from www.petergamma.org happy with his Orange Pi 5 & OpenBCI Brain Flow who reviews EEG devices for many years either? For years I was reviewing EEG devices. And i was turning in circles. …