There's a long history of naming yourself after the negative term your enemies use for you in order to neutralise it. Also "entitled vocal minority" works nicely as a parody of "moral majority".
The Bolsheviks, was a faction founded by Vladimir Lenin that split from the Menshevik faction of the Marxist Russian Social Democratic Labour Party (RSDLP) at its Second Party Congress in 1903. https://en.wikipedia.org/wiki/Bolsheviks