Some time ago I noticed my DVD/HDD recorder (a Panasonic) has no "disc eject" on the remote. You need to get off the couch, walk over and physically push an eject button on the front of the machine.
I rationalised this as some 'Elf & Safety bod had done a Risk Assessment, then concluded that, with a remote capability, an adult might press the button whilst a child was near the machine, disc tray pops out unexpectedly and has an eye out!
I'm always up for a good H&S Gone Mad conspiracy - but of course it makes sense if you're ejecting or inserting a DVD, you will need to be in front of the machine at the time.