Note that the pizzaiolo is very gentle but firm with his dough.
You really need to get a feel for the dough as you work it. I like the trick he uss to fix a hole in the dough.
I think he makes some wonderful points. But most importantly he works the dough as he stretches and shapes it.
If you want to make pizza, you need to learn as much as possible. This is a great pizza resource from my friends Tony Gemignani and Diane Morgan:
pizza on earth, good will to all!
Legends of Pizza
And now in Beta Testing,
A Pizza Community:
My Pizza Face Dot Com