Are EEG devices from 230 USD to 50 000 USD strongly optimized to make money out of those, but not optimized by their developers and should be optimized?

1. We can start to buy OpenBCI modules starting from 230 USD on Aliexpress. Known issues are for instance warranty problems, and the lack of the availability of a shop which sells reliably an issue free WIFI shield, in which we can trust. 2. We have OpenBCI modules from www.OpenBCI.com. The issues of these modules …