It depends on when you started, LVM changed a fair amount over time and the earlier versions had less functionality. So a lot of people would do like I did --

It depends on when you started, LVM changed a fair amount over time and the earlier versions had less functionality. So a lot of people would do like I did -- make an initial decision and then stick with it for two decades, way past of it making any sense. That kind of thing also happens with documentation.