I really don't understand why you guys think that Italy has a problem with the number of people: between 1982 and 2006 Italy have always been one of the best teams in the world, during those 24 years we won 2 World Cup and we lost the final against Brazil in 1994 and the Italian population was more or less the same. Do we have a demographic decline? Yes, but it doesn't happen overnight. In football, just like in life, there are cycles, for years we had many incredible players and now we don't, hopefully in the future things will change but the solution for sure is not bringing foreign people with the hope that someone will be a great football player, it doesn't make sense.
Yes, the main problem lies in the football ecosystem, which has not been managed well from the start. During Italy's prime, they had a strong foundation, such as academies, state-of-the-art stadiums, and a domestic league that was among the best in the world. However, over time, the Italian football ecosystem has failed to develop. Many stadiums are old and outdated, while many clubs struggle financially and cannot produce talented young players. Furthermore, a problematic federation has not created a positive environment for Italian football. All of these issues have accumulated and directly impacted the performance of Italian clubs at the european level and the Italian national team itself. If only the Italian federation and clubs had done a better job of maintaining the foundations they built during their glory days, perhaps the problems would not be as complex as they are now.