I understand how unfair it must feel and how frustrating it is to have the rules change in the middle of the game. That being said, I have to take issue with one comment in the article: 

"Incorporation allows doctors and other professionals to accumulate retirement savings, and to "sprinkle" income by employing other family members. Unlike salaried employees, they get no vacation, sick time or retirement benefits. "

I just want to point out that there are plenty of people who are not self-employed or incorporated (regular working for someone else folks) who do not enjoy the benefit of sick pay, vacation pay or pension options, but they still have to pay their regular personal income tax rate. 

So these changes to the tax law are possibly unfair or ill-advised in a hundred different ways, but that particular one is not an argument I will hear as valid... because it isn't.