Buffer tubes are large and round so they put your cheek too high typically - especially in the VZ.
And… can fold. The strike industries stock is almost there.
True, but you can always run a slimmer stock on the tube and/or can also often cant the gun 15-20* into your face (kick bottom out from you face) for less face smashing to get decent iron sight acquisition... If prone, you can often cant your head more atop the stock to get necessary alignment while keeping your weapon and sight system vertical.
And yes, buffer tubes are rarely ever able to fold to 180* to lock open on universal hinges on non-AR platforms...
Like all things, there's compromises that can be made -- your call on whether they're acceptable.