Aquihires can be very destructive. You end up with either the whole company, or you piss off the people that you wanted when you fire their co-workers. It also

Aquihires can be very destructive. You end up with either the whole company, or you piss off the people that you wanted when you fire their co-workers. It also pulls in an almost complete graph of employees who are isolated from the new parent company. Its much better to pull off the people that you want, and get them to join willingly, as they tend to adopt the culture/learn better when in isolation.