Conal Elliott wasn't making fun of pure functional programming zealots. Elliott is a pure functional programming zealot, and was making fun of Haskellers who de

Conal Elliott wasn't making fun of pure functional programming zealots. Elliott is a pure functional programming zealot, and was making fun of Haskellers who defend the IO type as a purely functional way to express effects. He thinks the IO type sullies Haskell here, and that we should have picked a different representation for effects (historically, that was true FRP, something he conceived with the late Paul Haduk).