We have signs all over bus shelters etc. up here in Toronto that say this exact message, "Diversity is our Strength". It kind of reminds me of all the messages Rowdy Roddy Piper sees plastered everywhere when he dons those sunglasses in the movie 'They Live'.
"Diversity is our Strength".
Pretty 1984 - ish.
("They Live" is a fun movie!)
Well, it might be accurate, so far as it goes.
Canada is now a third-rate nation, a self-imposed demotion; they can call the result pretty much anything they want.