I don't see why the "right" thing would be to reward someone for breaking your ToS and stealing your database as a means of creating a potential competitor to your business.
On top of that, even if PadMapper had not been slimy, I don't see why it's "right" to pay a sum for something you're perfectly capable of building yourself for less time, money, effort, and headache than what an acquisition would cost.
On top of that, even if PadMapper had not been slimy, I don't see why it's "right" to pay a sum for something you're perfectly capable of building yourself for less time, money, effort, and headache than what an acquisition would cost.