"Burnaby represents only 11%"
And Richmond? And Vancouver? Really, quit trying to minimize the problem, - nobody believes you.

" Overall, caucasians still represent a majority. "

You really ought to get out more and take a look on Vancouver streets. Vancouver has been more than 60% Asian for well over a decade.

"when prices rise very little"

If prices rise at all it isn't a crash. Lack of sales activity, even 0 sales, is not a crash. A crash is a rapid and very large decline in prices.