Another solution: assuming as the article claims that GHash grew to it's current size because it had 0% fees. Other pools can respond by lowering their fees or

Another solution: assuming as the article claims that GHash grew to it's current size because it had 0% fees. Other pools can respond by lowering their fees or introduce negative ones. I.e. they pay miners to join the pool. Or have fees but introduce a lottery system that randomly overpays members.