Yes, but why just ITER? Can we really wait until 2035 at which point it's still just a PoC before working on DEMO, and how many DEMOs can we build quickly after that?

There is promising work coming out of Lockheed's Skunk Works, using a completely different design and MIT has SPARC. Given ITER is pretty well locked in on the Tokamak design they've chosen and it a matter of building it, why not fund as many ideas as possible as while most may not work, you just don't know whether one results in a discovery and pivot that changes everything.

https://en.wikipedia.org/wiki/Lockheed_Martin_Compact_Fusion...

https://www.psfc.mit.edu/sparc