Complete nonsense. Looking at the Reuters article this Mashable article links to, it doesn't given further information.
The only citation noted is "unfair competition to taxi companies". A quick search found an article on Techcrunch that goes into ever so slightly more detail.
In particular, the court in Rome says that Uber is a transportation company but doesn’t respect transportation laws — rates aren’t set by the transportation authority. That was the main contention point for traditional taxi associations as they can’t compete with Uber on price.
I guess because it's too innovative and cheap, it has to be barred.
It is sad. If established trades had their way, nothing new and better would ever exist.