If you have lots of windows and lots of shades, you can open and close them all at once, making life easier if you and your spouse disagree if they should be mostly open or mostly closed, possibly saving your marriage if that applies. Lights follow the same trend: it isn’t that turning on and off the lights is a pain, but being able to turn on or off all the lights with just one command is useful. We’ve only bothered with our open kitchen living room, but we had 4 switches all around the 2nd floor to manipulate before (and we went Lutron for our shades anyways, so we can set scenes with both).
I don’t get the mood lighting. And really, if I lived alone I would just keep the shades up all the time and forgo the electric shades as well (but given my wife they are indispensable).