What are the main measures of a person's importance in a society? What makes a person a SOMEBODY? Levels of educational attainment? Achievement of socioeconomic wealth? Attainment of status, power, and position in one's chosen career and/or vocation? Having/achieving a high level of fame and influence?
What you have succinctly state is TRUE. Success seems to equal celebrity these days. If one is not famous nor a celebrity, he/she is discounted. There are many successful and brilliant people who ARE'T celebrities. They form an integral part of our communities and work environments.