No doubt some of the tax evasion needs to be caught (where possible while maintaining a free market, I'm aware that may be a false dichotomy). However, there is little hope of anything being done in regards to the real estate situation given the state of Canada's current economy[1]. There's no incentive for the current governments (federal or provincial) to curb the trend.
[1] - http://www.bloomberg.com/news/articles/2016-01-29/canada-s-o...