Because after its disappearance, they continued to look up to Greece. Although the Middle Ages are called the dark time, the barbarians tried to imitate the Hellenes for a long time. In the future, it was on the Greek and Roman cultures that the Renaissance in Europe was based. All the works of art that the Hellenic culture gave to mankind have always been an ideal and a role model, a kind of standard. All this led to the fact that Greek culture in modern society is perceived only as classical.
One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.