Brits have bemoaned the ‘watery sadness’ of Hellmann’s world-famous mayonnaise, with many asking why the quality of their sandwich spread has been in ‘steep decline’ for the last few monthsBrits have bemoaned the ‘watery sadness’ of Hellmann’s world-famous mayonnaise, with many asking why the quality of their sandwich spread has been in ‘steep decline’ for the last few months