We use a similar rule at our table. We play whenever there is no more than one player missing.
The metaphor I use to describe it is like from a TV show: sometimes, a character is inexplicably absent from an episode and it's often because the actor has other obligations.
So the character is simply not on-screen. It is not talked about, no reason is brought up and the character isn't being played by anyone.
We use a similar rule at our table. We play whenever there is no more than one player missing.
The metaphor I use to describe it is like from a TV show: sometimes, a character is inexplicably absent from an episode and it's often because the actor has other obligations.
So the character is simply not on-screen. It is not talked about, no reason is brought up and the character isn't being played by anyone.