I don't even know what "pushes the limits of fairness" is meant to mean, but it does sound a rather childish notion that clues are to be judged 'fair' or 'unfair'. The universe is a compassionless place, there is no consideration of 'fairness'. It is not a recognised entity.
As for the claim that the puzzle took less time to set than to solve...what tosh...perhaps the claimant should try setting...
Gazzar, half the clues involve a change of position of one word, the entries for the other half need to be reciprocally placed in different entries.
A solution will shortly be available at the usual place.