The idea of absolute security with any technology is not one that we are ever going to reach but getting closer is the best we can do. I think that because of the public pressure Facebook has been facing, they are taking steps, but not because of Canadian laws. At the end of the day, that means if pressure is put on them by other jurisdictions or by commercial interests, they won't necessarily continue that.
On June 7th, 2018. See this statement in context.