Machines have advantages (reaction time, search time, processing time). "The NO speech to text" is new to me - it can indeed cause meaningful disadvantages.
WiFi is only one well known technolgy. There are many alternatives (e.g., GPS), usually expensive. If you try to fly them long distances, there is a problem.
Quantum computing will change "everything" but we are not there yet. There is a great book, "The Code," by Simon Singh - the last chapter is about Quantum Computing.