It's about solidarity with the vast majority of the human race who have nothing...
Fighting to keep North American retirement ages at 65 is "about solidarity with the vast majority of the human race"? What is the average household income in Canada? Something like $45,000 or $50,000 per year? 40% of the human population in this world live (and die) on $2 per day or less.
Don't make this about some grand fight for the masses of humanity.