Therefore, without changing the general rules and practices, I think there should be somewhat of a reform, that would set some very basic and minimum standards set forth by the Church as a whole, just to get the Faithfull conscious of this spiritual exercise, who would hopefully, grow into the currently set forth standards.
Without being an expert, I believe minimum standards HAVE BEEN set concerning fasts as I was able to see in the website of the Greel Archdiocese of America http://www.goarch.org/en/ourfaith/articles/article8125.asp
"The official regulation of fasting depends upon the synods of the Orthodox Church. The pace of life and circumstances of today require a change in the fasting observances of the Church. The suggested minimum fasting in duration and in foods which might be abstained by those who are weak in body is:
the first week of Lent and that of Holy Week;
one week before Christmas;
two days before Holy Apostles Day (June 29);
one day before the Transfiguration of Christ (August 6);
two days before the Repose of Theotokos (August 15);
Friday around the year;
one day before the Exaltation of the Cross (September 14).
During all fast periods those of sound health abstain from meat, fish and all dairy products is observed, except when fish is permitted. The use of vegetable oils is permitted during fast periods, although olive oil may be consumed only on Saturdays and Sundays of Lent. Imitation foods such as margarine and vegetable products of all kinds may be classified as fast foods. Some sea foods (shrimp, oyster, lobster, crab meat, octopus) invertebrate shellfish are considered permissible fast foods.) "
Now, I have also had personal experience with priests who will not accept any kind of oil during strict fasts, and priests who will not consider the same kind of fast for everyone.