...because the electronic tuner gives absolute pitch to each string instead of tuning the rest of the strings relative to the E strings. Tuning by the described method introduces a set of compromises that makes all of the chord shapes acceptable, while tuning each string with the tuner makes a lot of chords sound wrong. What we need is an electronic tuner that incorperates the small 'inaccuracies' that are needed to produce this compromised tuning.