He touched on the "Silicon Valley model" of poaching employees from companies that handled the costly training. In a culture where loyalty to your employer is l

He touched on the "Silicon Valley model" of poaching employees from companies that handled the costly training. In a culture where loyalty to your employer is largely anachronistic, why should most companies -- and not just the top employers -- bear the costs? The risk of attrition to free riders seems high. I'm not disagreeing with his assessment so much as questioning the value to the typical employer. In aggregate it sounds like the right solution, but individually I'm not so sure.