Lux Æterna is more-or-less something you’d get if you would replace Wes Anderson in his PG-rated "American Express" ad with Gaspar Noé, all dressed in Yves Saint Laurent, and also let him direct it... but without hyper-realistic violence. Or drugs. Or anything 'fun' that remotely makes you feel like you just found a way out after 15 hours of non-stop raving in “Berghain”, after you started coming down from lack of “molly” in your system, and everything now looks sinister.…