I'm still very unhappy with all the findings so far and have little confidence in the ice theory.
This feeling will remain until a fully rigged 777 can be sat in a cold store to exactly similate the flight and bring about the same engine problems a number of times just like any other proper scientific experiment - demonstrable by REPEATABLE experiment.
Until then I shall habour deep suspicions that some dark conflict lies buried in the software with sharp teeth waiting to bite some other poor souls when they least expect it.