All of these Italian riders were caught doping outside of the country. Basso got caught during the Operation Puerto Affair, and in fact, the Italian power-that-be, fought very hard to get what data they could from the Spanish authorities who eventually destroyed all the evidence and frustrated the sporting world by holding all the information up in court cases and the Spanish legal system. Not good, but the Spanish powers were hiding all the Spanish soccer doping. The Italians got Basso's info out and punished him:
https://www.telegraph.co.uk/sport/football/teams/real-madrid/9948973/Real-Madrid-owe-me-money-says-blood-doping-doctor-Eufemiano-Fuentes.html
Rebellini got caught in China during the 2008 Olympics.
Richardo Ricco got caught in the Tour de France. The French caught him.
Di Luca got caught twice in the Giro. He is the only one who got caught in Italy. To get out from under jail time (the first time) he ratted out a number of people and helped the authorities figure out more about the systemic doping culture.
The second time he got caught, Di Luca was BANNED for LIFE by CONI!
Jail time! Big fines! And Lifetime bans. The Italians are very serious.
We don't do that here. Lance Armstrong is one of the only US athletes banned for life.
So, I disagree that Italy is a place for dopers.
In the 80s, the Italians OWNED world class cycling and marathon running. They were a major force in track and field. They won the NYC Marathon 3 times. They dominated the World Cycling Road Championships in Colorado Springs in 1986 (for example). They dominated the track with Cova and others. They were a big force in cross country skiing. All dopers.
Today, they don't have a single athlete on the world stage in any endurance sport. There cyclists are terrible.