Incorporation is a retirement savings vehicle that helps defer taxes so you can retire comfortably.    Public service and politicians have pensions backstopped and paid for by taxpayers that are allowed to grow tax free.     Small businesses and MDs do not have this.   
        If he wants to go after the wealthy then a 1-2% tax on trusts would be more effective.  This would cause him and Morneau hardship so fat chance it will occur.  
         Trudeau is the biggest hypocrite in Canada.  Cut off child benefits to elderly but have his two nannies paid for.    "I love the environment" but then fly private jets all over the world for family vacations.   "I am a feminist PM" but have three MPs from his government resign for alleged sexual assault/ harassment.   Time to go Trudeau.