Theology of taint

The "theology of taint" is a term used in association with belief that a succession of male-only bishops and priests should be maintained within the Church of England. The term is predominantly used by those who oppose this view.
An action associated with the theology of taint is when male bishops who have previously ordained women as priests are excluded from the laying on of hands during ordinations.
The phrase was notably used, in church and mainstream media, when John Sentamu, Archbishop of York, announced that he would not be laying hands on Philip North during his ordination as the Bishop of Burnley scheduled for 2 February 2015. This concession is notable because: