Could you elaborate on what “ A bit like trying to sell tie-dyed shirts out of a VW bus at a Barbara Streisand concert.” means here? I’m not sure what the colloquial terms actually mean :) is it that Streisand concerts were fashionable and tie dyes weren’t?
Tie-dye T-shirts and VW buses are associated with the hippie subculture in the US. A group of people much more likely to listen to Bob Dylan or Creedence Clearwater Revival than to Streisand.
Likewise, the sort of people associated with Streisand concerts -- mainly well-to-do, cosmopolitan, white (especially, but not exclusively, Jewish) women -- would not trust a shaggy man with a rusting VW bus with their money, let alone be interested in his handmade wares when there are perfectly good boutiques on Fifth Avenue (or Rodeo Drive) to patronize if they are in need of clothing.
OP was trying to imply that the people who still use Java have fundamentally different tastes than dynamic-language programmers, and so evangelizing Clojure to them would be a fundamental mismatch in tastes, like a hippie trying to sell to upscale white women.
