Dont forget about good old externally excited motors like what Renault uses, no rare earths needed.

Definitely, and new engineering around axial flux / pancake motors are getting really exciting. 1000 HP motors in a single wheel - https://yasa.com/news/yasa-smashes-own-unofficial-power-dens...

Incredible what can be done. If Japan ever wants actual mecha warriors for their military, they're going to need motors like that.