Sure, you could build a weight lifting robot just by increasing it's raw mechanical ability. But to build one that's made of hundreds of strings only capable of

Sure, you could build a weight lifting robot just by increasing it's raw mechanical ability. But to build one that's made of hundreds of strings only capable of individually lifting a single pound and coordinating them around multiple axes to lift hundreds of pounds would be much more difficult. But there's really no reason to do that since you can just increase the raw mechanics.