The Earthen's only anomaly in synthesis is the tendency for matrix destabilization while being utilized in high-stress environments.$B$BAddendum: deep earth sculpting was naturally suited to the new matrix design and thus never met the qualifications of duplicating a high-stress environment.$B$BDestabilization was not discovered until well into the Earthen's primary service cycle for the Creators.  The Creators began work on post-synthesis modification, rather than recall and re-synthesis.