Yep, but the 350 carries the full microprocessor board which controls the PSU switching, inter product comms, display brightness etc. The NAIT keeps things really simple, with no microprocessor, just some simple logic switching to put it into standby after a period of no music.
Given that you change inputs and volume manually on the NAIT, I don’t really see it as a big deal to press a button to bring it out of standby (if you have the auto standby function enabled) when you want to listen to music.
My feelings exactly. One of the nicest things about the N50 is the physical pleasure of using it. I know many on here have figured out remote solutions but the touch and sound of the buttons on the front as well the feel of the volume knob were part of the design, I believe. So using the “mains” button at the start and finish of a listening session fits in with that ethos, at least IMO.