This does nothing to alter our trajectory, only slow it by some infinitesimal amount. Most developers could slave their whole career making optimizations only

This does nothing to alter our trajectory, only slow it by some infinitesimal amount. Most developers could slave their whole career making optimizations only to have them overshadowed by the carbon they emit driving to the office. To put it another way: Bitcoin uses more energy than Argentina. Shave 1% off of that and watch it gobbled up by growth in the BTC network within a month.