Go visit some in some choice Toronto neighbourhoods. Some people are thoughtless idiots.
We've had a super box since we bought our house 15 years ago as has everyone else in our town. The same can be said for most rural areas and some entire cities. I don't buy all the ******** arguments about constant problems with the boxes (There's not, issues are far and few between), The elderly being unable to retrieve their mail (if getting to and opening a mailbox a few houses down is a massive issue chances are you are already receiving assistance from others, I'm sure they could pick up your mail as well), theft (Mail left in an unlocked box at the end of your driveway or front door, and parcels dropped at your front door in plain sight are somehow more secure?) etc etc.
There's much whining from people who want their cake and they want to eat it too. Perhaps those who still demand door-to-door delivery could be billed a surcharge every month for the continued privilege – my guess is that this would shut people up pretty quick and the take up would be minimal.
Times are changing, mail volume is down, CP needs to change with the times and look for ways to streamline unless people are willing to either subsidize the costs, pay extra for the continued privilege of home delivery, or be willing to pay a massive increase in postal prices across the board.
I suspect none of the above are palatable in the end.
Superboxes have always been a no brainer to me.