Two comments, about one specific area (Burlington) capture the fascinating "flood of foreigners/flood of foreign money" issue very nicely. 

Says skier9: "the mixture of newcomers here. Mostly all Chinese, from the shoppers at the malls to the stollers downtown along the waterfront, to the gyms, schools,.......you name it. With many hundeds of millions wanting to come over..."  Yikes.  A Tsunami of Asians!  Head for the hills.  

plansit: "Hogwash. As of 2011, Burlington was 91% caucasian and Chinese by a whopping 1.3%. Even if you consider 6+ years of growth, the % would still pale in comparison to what your trying to paint."

And there you have it.  Evidence versus visual/personal perception.  

On BC's lower mainland, the Tsunami-panic continues, too, coloured by "dirty money" moral/ethical overtones. My hunch is that if the relatively few Chinese who spend millions on a home could somehow prove "clean" money, the arguments against them would shift to some other factor.