[csmuk]

Actually they're using the wrong tools for the job because they're having to rewrite bits regularly in different tech. There is obviously no evaluation taking place.

Establishing technical standards and homogenity is important on projects of this scale.

[danpalmer]

I think they established the reasons for it fairly well in the blog post, and even better in the comments elsewhere. I'd say they are the right tools for the job.

[ed_blackburn]

Maybe. Maybe not. The proof is in the pudding. It's immeasautably better than before and is a lot cheaper to run. Until otherwise I am of the opinion that they are making the right decisions.