On his book "The Secrets of Consulting", Gerald Weinberg advise against improving more than 10% of performance, and if so, of hoping to have any credit.
Just like the article, his reasoning is that if you improve performance too much, it makes management/the team look bad for not doing it before, while a smaller improvement in performance make management looks good.
Just like the article, his reasoning is that if you improve performance too much, it makes management/the team look bad for not doing it before, while a smaller improvement in performance make management looks good.