Yeh current tech is expensive and would likely be uncompetitive. At the very very end of that article is the key to this though:
> I fully support a pure research program for radically different approaches to fusion.
> I fully support a pure research program for radically different approaches to fusion.
> But fusion as a power source is never going to happen. Not because it can’t, because it won’t. Because no matter how hard you try, it’s always going to cost more than the solutions we already have.
https://matter2energy.wordpress.com/2012/10/26/why-fusion-wi...