Tabata: is this workout worth the pain?

In this article, some limitations of Tabata training are pinpointed. Do you agree?

Extract:

Tony Gallagher, The Sunday Telegraph fitness expert, agrees. “You have to be fit to do it, not the other way round,” he says. “And research has shown that most of the benefits come in the first three weeks of training. After that, they taper off.” As for practising Tabata four times a week, Gallagher believes that would be “crazy”. “You’ll end up injuring yourself, and I doubt it would bring any benefits,” he says. 

Full article:

http://www.telegraph.co.uk/health/dietandfitness/10281079/Tabata-is-this-workout-worth-the-pain.html