They were forced to accept it. They were given money if they joined. They were promised a better life after death. They joined because so many others were joining. People are happy with those who created the pressures.
People gain nothing from the adaptation.
The cultural patterns of society remain the same. The cultural patterns of society also adapt. A revival of interest in the affairs of this world and the importance of humanity on earth was a characteristic of classicism. Both were mainly concerned with the king and nobles. Both were only concerned with ideas of the ancient Greek and Roman thinkers.