Yes, I'm also concerned to read about the fan noise bothering some people. I can completely understand, especially with the long boot-up time (as opposed to instantaneous for many synths), the problem this could be for someone trying to record a Moog One live with other instruments.
I, too, have a classical concert-goer's ear for noise, meaning, I hate it and want to stuff the handkerchief right up any available orifice on the person in the back row who won't stop sneezing during the quiet passages! I also regretted the noise a PC used to make, and would not allow one in my music room (until more recently, when the self-built one I use includes large, 120cm fans that are almost silent).
I'm sure it's easy to escape with headphones, or direct recording, but I hope Moog has a good solution, quickly, for those troubled by it. It's something that stopped me from ever being interested in the Kronos, not that that affected that instrument's sales!
I don't think it would stop me from getting a Moog One, though.
I see controlvoltage is online, so I'm hoping he can comment on this.