The series was written with a balance of specificity and generalization, enough so that it could really be applied to many groups. So the Civil Rights influence was there, the anti-Semitism was more explicit in the references to the Holocaust, the gay metaphor comes out of the instances in which characters have to hide their identities from society, etc.
	
		
			
		
		
	
			
			 
 
		 
 
		
 
 
		
 
 
		
 
 
		
 
 
		 
 
		

 
 
		 
 
		
 
 
		
 
	
 
 
		 
	