How is a TV celebrity and real estate mogul not part of the establishment?

What is the establishment?

Quote Originally Posted by Google
a group in a society exercising power and influence over matters of policy, opinion, or taste, and seen as resisting change.
"he scandalized the Establishment of his day"
synonyms: the powers that be, the authorities, the system, the ruling class, the regime, bureaucracy, officialdom; the status quo, the prevailing political/social order; informalBig Brother; archaicthe regimen
"an irreverent comedy series that dared to poke fun at the Establishment"
an influential group within a specified profession or area of activity.
"rumblings of discontent among the medical establishment"
Don't Republicans often throw Hollywood actors and other celebrities in with the establishment?
Plus his Twitter rants about Obama made him quite famous in political circles as well. He was not as much part of the political establishment, but the Republicans themselves always blame the Hollywood, the Media and political left establishment of colluding to the point of being more or less the same "leftist establishment". See here for example: http://www.americanthinker.com/artic...blishment.html

In the same sense, Trump is part of the rightist establishment.

Or take establishment as elites in the wider sense, like here: http://www.spiked-online.com/newsite...u-brexit/18483

REMAIN: THE LEFT HAS LINED UP WITH THE ESTABLISHMENT

Leftists now put bankers and bureaucrats before the people.

Brexit is a fake revolt’, writes Paul Mason in the Guardian this week: ‘Working-class culture is being hijacked to help the elite.’ A withering article in Vice agrees. ‘Brexit is the upper classes in revolt’, writes Sam Kriss.
Surely someone who brags about how many billions he has is part of the rich social elite aka establishment, no?