Is the Noble Lie a Work of Poetry?

They're said to be fashioned under the earth, or to be moulded. The word for fashion there was used during the poetic education. They use the same word throughout. One thing ill suggest here is that one of the other of the first part of the lie is to hide the role of the poets, their agency. In fact, the poet that they've chosen here is said to be austere and to be just like the characters in his poem.