Do EEG device manufacturers have the goal that we can use certain EEG devices only for fun and in our spare time and for writing papers we need to buy expensive EEG devices?

Altough these devices could eventually easily be used also for research applications. Why should they not be used for this purpose? Because there are EEG manufacturers, who want this? So that they can sell us their expensive devices? Since several years we are evaluating EEG devices. The trend of the world is, that soft- and …