The idea that a robotic hand could delicately grasp a red apple is interesting, but thinking that it's just a specialization of a red ball is a bit of a shortcut. Honestly, if we had to start from scratch, would we really say that manipulating a ball is less complex than handling an apple? A ball can be of any size, any weight; delicacy isn't the same when talking about micro-components versus a fruit. For example, if you handle electronic chips for a phone, the precision requirements are much higher than just not crushing an apple. We should always consider the final context before declaring one thing more "specialized" than another.