In some cases, companies spent enormous sums to buy up their own stock or pay off raiders. Critics watched such battles with dismay, arguing that raiders were destroying good companies and causing grief for workers, many of whom lost their jobs in corporate restructuring moves. But others said the raiders made a meaningful contribution to the economy, either by taking over poorly managed companies, slimming them down, and making them profitable again, or by selling them off so that investors could take their profits and reinvest them in more productive companies.