amauri and iaquinta are not marrota era. and the problem existed even in moggi era. see zlatan second season, salas..etc.
the problem is old fashioned people like crimsonian king who are at juve staff who keep defending such players over youth because they are "experienced" if such people would just shut the fuck up let youth play we would perhaps have not suffer this
To do that you'd have to change the core of Italian Football. Starting from training centers all over the country from the scouting and producing system. Build coaching schools for new coaches and so on. It's a long-term commitment the Italians are not willing to take. It simply won't happen.
AND it's important to highlight that that still doesn't automatically fix the problem. The German league play their youngsters because they've good scouts and find quality from all over the world, and
most importantly their own youngsters are talented, name me a young Italian who's above the average talent in recent times, except Verrati? There's no one.