The Two Opposing Theories of Mirrorless

It’s been apparent for a while that Nikon and Canon have all but killed off the DSLR. Recent reports of Nikon shutting down their F-Mount assembly lines may have been greatly exaggerated, but with each passing year, the odds that we see a new Nikon or Canon DSLR (or even a DSLR lens) are dwindling to zero. Apparently Pentax is still hanging around, and good for them, but the Big Two manufacturers of the DSLR already packed up their suitcases years ago.