TradeWinds' recent comment article "Era of using scrubbers will go down on the wrong side of history" finds the industry in the middle of a heated debate. The installation of a scrubber is neither an environmentally-driven solution nor an environmentally-friendly one.
It is a commercially-driven solution for a short-term profit, as author Julian Braycorrectly pointed out. The use of scrubbers is legal, but it raises ethical and moral judgement issues.