Thomas Metzinger studying phenomena of neural correlates wrote "The Ego Tunnel". After reading his book I realised that perceived time and space and perception

Thomas Metzinger studying phenomena of neural correlates wrote "The Ego Tunnel". After reading his book I realised that perceived time and space and perception itself are just complicated models, run on our wetware, and these are result of evolution by abaptation, including culture as factor. So there is no 'time'. But for convenience, we can assume that it is. Otherwise who shall buy watches?