They’ve had fab problems for years, in that it cost them a ton on money and much longer than desired to shrink nodes, so they’ve fallen from a leader in fab production to being behind.
Not to mention there’s not much money to be made from fabs, unless your tsmc.
AMD, Qualcomm, Nvidia, Google, Apple, are all huge tech companies that design their own cutting edge chips, and only Samsung is another company that both designs and produces chips.
Not in one exposure. Human eyes are much better with dealing with extremely high contrasts.
Cameras can be much more sensitive, but at the cost of overexposing brighter regions in an image.