One could fear there to be massive overcapacity in a short time (1-2 years). As mainland Chinese alternative capacity comes online and when some of the weirder

One could fear there to be massive overcapacity in a short time (1-2 years). As mainland Chinese alternative capacity comes online and when some of the weirder demand peters out (GPUs for mining). My intuition is also that there is less pressure in the "let's buy the latest phone game" than there used to be. (For example I am using a 3 year old iPhone X and have no inkling to buy a new one).