There are some simplified crochet patterns that can be mechanized, but for the most part we haven't found a way to generically mechanize crochet. I don't fully

There are some simplified crochet patterns that can be mechanized, but for the most part we haven't found a way to generically mechanize crochet. I don't fully understand why, apparently most patterns require manipulating the yarn in a way that simply requires human dexterity?