Andrew Pulver writes via The Guardian: Film-maker Lilly Wachowski has responded to Elon Musk and Ivanka Trump after the pair bantered on social media using a phrase from the Wachowskis’ hit 1999 film, The Matrix. After Musk tweeted “Take the red pill” — referring to a key scene in The Matrix, which subsequently gave rise to the phrase “redpilling” as an…