Everything boring is not worth doing right. So boring things are not worth doing. Every good bicycle has hand brakes. Some messengers, bikes are not good bicycles. Every happy adult was once a grouchy teenager.
Grouchy teenagers fly into fits of anger.
So some happy adults fly into fits of anger. A tape recorder is a sophisticated piece of equipment. Some home appliances are unsophisticated pieces of equipment. Therefore, some home appliances are not tape recorders.