Mag's strategy, like a lot of American companies, is to keep selling an outdated product for as long as they can, because their customer base doesn't know any better, and they think it will still sell.
1. Small light? Mag.
2. Why Mag? The big ones are the best flashlights in the world.
3. Goes to store, buys.
4. Buys batteries.
5. Breaks bulb. Why? Dropped it. Whos fault? His.
6. Looks for new bulb, buys new light because its so cheap.
7. buys batteries.
8. Drops light
and so on and so forth.
Why change a working system?