[rickisen]

Is that why they invent new and totally unnecessary driver bits? And make it so that you can't even replace a component from one iphone with a 100% apple made component from another identical iphone?

It's obvious that apple has spent a lot of money on intentionally making their devices harder to repair.

[vl]

Most likely it was other way around - they wanted a machine which can reliably drive tiny screws. They invented the machine, but it required pentalobe screws, so they went with that.