Improving human output capacity when interfacing with machines is going to be increasingly useful as AI and other tech improves, and devices of this nature may be necessary for that. I will not, however, put any device that is not open source in my body. Imagine having something in your brain that only a company, and maybe governments, have exclusive knowledge about its inner workings. F that.
https://www.cnn.com/2024/01/30/business/elon-musk-brain-implant-neuralink-intl-hnk/index.html