By Rob Freeman, PA & Lawrence Matheson Meta has come under heavy criticism for its ‘tone deaf’ decision to lower the minimum age requirement for WhatsApp users, sparking calls for a swift reversal. The controversial move, which saw the age limit drop from 16 to just 13, was implemented across the UK and EU on Thursday. Smartphone Free Childhood, an advocacy group, has slammed Meta, the tech giant that also owns Facebook and Instagram, for being “tone deaf” in its approach. Co-founder Daisy Greenwell told The Times: “WhatsApp is putting shareholder profits first and children’s safety second. Sh…