The interest is bringing the cars to the people, instead of bringing the people out to the stages. Getting new fans in. Also, due to Gymkhana this is seen as a "wow" thing that the drivers are able to throw the cars around narrow places.
I know that they are bringing cars to the people. But are you sure that people are interested to see THIS?
Rossel will be one of the drivers, and probably one or two Italians.
From this article, it's also clear that if the WRC goes to Roma, there will be some support coming from the promoter also:...
Tarmac rallies are part of the WRC challenge for drivers.
And having the Championship in a major European capital city will bring great publicity to the sport there.
It is big political fight in Italy if it will be in Sardegna or Rome. Like usually...
Rally2 (ex-R5) News