I actually look forward to these features. Mobile only at the moment makes a lot of sense. Even if they end up on desktop, I just don't see that being an issue for the fact that you can just switch them off at any time.
Nightshift mode comes on "at night." Usually at night I am already cranking the brightness of my devices way down. Bright lights at night if I am in ambient dimmer light already bothers my eyes. For that fact alone obviously viewing images or editing is compromised. Having my screen go yellow is a welcomed addition.
I've learned my lesson about editing late at night. The next day I always wonder, "who the heck edited this file!!!" I spend time with family and do other things in the evening. I leave my editing for the day. I also work on an eizo monitor. Rarely will I use a device like a tablet or my laptop for anything critical. I think for laptop editing, even if it had those features, I would turn them off if I had to work on files. Otherwise, I would reproof them when I am back in controlled light.
As photographers we really need to care of our eyes. That includes managing screen time, brightness, and exposure.