It is absolutely true that many forms of modern, intensive livestock production are extremely inefficient.
The simple laser diode structure, described above, is extremely inefficient.
Americium-242 has a half-life of only 16 hours, which makes its further up-conversion to Am, extremely inefficient.
Japan's service sector, with its legions of paper pushers and miles or red tape, is extremely inefficient.
Early mills were extremely inefficient, producing molasses in four hours using an entire cord of wood to do so.
The wood-stoves that cook the food are extremely inefficient.
Research has indicated that many traditional language-teaching techniques are extremely inefficient.
The old Britannia was extremely inefficient and so running costs were too high.
By modern standards, these cannon were extremely inefficient, difficult to load, and short ranged.
They ran away from us and we became extremely inefficient on the offensive end.