I think the point is that the liquid/vapor mixture is still a fluid, just a weird one - you can pump it with the right type of pump it would just be more akin t

I think the point is that the liquid/vapor mixture is still a fluid, just a weird one - you can pump it with the right type of pump it would just be more akin to ventilating a room to get dust out, for example (i.e. moving gas to move floating solids).