It also leaves out the political machinations that a conservative government was elected after the project had begun under a centre-left government and they continually interfered in the development until the original architect left the project in disgust.

After which the internals were completed by a set of "government architects" that did as about a good a job as you'd expect.

Not to mention that the original design had its own issues, including not actually being able to support proper opera theatrical performances due to the size and structure of the internals.