>>3668024Sony is an IDM like Samsung and IBM. (And AMD back in the day before they went fabless).
https://en.wikipedia.org/wiki/List_of_MEMS_foundriesIDM structure is more beneficial for specialisations that are as patent ridden mine zones as the image sensor business is.
If you want to be the leading CMOSIS foundry, you need an engineering team to research all the best patents and cuck all the other foundries.
That means you automatically have teams that are incredible at designing image sensors as well. They are expensive employees, but worth it.
