Originally Posted by Zloth 
1. Fewer customers, resulting in less money and less people enjoying your game.
2. More pirates, resulting in less money and less deserving people enjoying your game.
I understand the financial gain the console can provide but the witcher 1 was pc only and they did pretty well. There's plenty of pc gamers to turn a profit and a lot of console gamers would play it on pc if there's no console version.