Exactly how do Sacco & Vanzetti fit into The Life Aquatic?

I’m not crazy about the “this is so rel­e­vant to our times” sen­ti­ment that seems to be the dri­ving force here, but peo­ple real­ly seem to enjoy crude hermeneu­tics by learned talk­ing heads more than stuffy, fig­ure-it-out-your­self exegesis.