First, the patent troll usually does not make or sell anything products itself.
Most of these big boys are turning into patent trolls.
Hard to get too upset with these guys, because they're anything but a patent troll.
But in a way apple is itself a patent troll.
A patent troll wouldn't be able to collect from them in the first place.
Would you be ready if a patent troll came knocking?
Agreed, but at least in this case, it's not a patent troll.
Second, a patent troll is also not usually the inventor.
It's not like patent trolls can't win cases, the entire system is pretty corrupt.
Protecting yourself from patent trolls can keep money in your pocket though.