So in reality we are not equal after all!! It doesn't seem fair to impose a higher tax rate on someone who happens to make more than the next person. Applying the same rate across the various income levels will in itself mean higher earners pay more in taxes. The problem is our convoluted tax rules which according to the Canadian Taxpayers Federation currently run to in excess of 33 hundred pages! The Canadian Revenue Agency currently employs  some forty thousand people.  That's 12 people to ride heard on one single page of the Income tax act. 
Imagine cutting the rules and guidelines down to say, one thousand pages. But of course no government ever has actually had the courage to make things simpler and more equitable. And  Junior and his sidekick Mr. Morneau are no exception! They just want to spread the inequality around the world