Not going to read the 86 posts beyond the first, but here's my opinion: they all have faults.
I have had Canada Post "lose" a handgun (I sold to a NB CGN member) in the Montreal distribution center for three weeks: it took the RCMP Firearms Center to get it moving and prevent a sh!t show. Turned out they tried repeatedly to send it across to the USA for unknown reasons, maybe an anti-gun employee wanted me to get smuggling charges?
I have had UPS try to charge me $115CAD for a gift, an engraved watch, worth $75USD because of $100CAD in brokerage fees, exchange fees and sh!t. I self brokered for $14.99CAD p!ssing off UPS royally.
I had a UPS driver refuse "for personal beliefs protected by the Charter" to drop a Pole Cat walking stick I ordered from a CGN sponsor because they are a "known gun seller" at it was a "gun length" box. Dude nearly called the police when I opened the box in front of him to inspect it.
I have had CanPar try to deliver ammo three times in one morning and then try to send it back to the shipper (cause 3 attempts exceeded), site sponsor SFRC, and only Chemist phoning them direct prevented it from going back. (You probably don't remember Chemist, but thanks man.)
I have had Canada Post put boot prints on a box, I think as I am just guessing, because someone was anti-gun and thought it a gun when, for f'n once, it was actually a #1 wood golfing driver as a gift for a friend... and then when I rufused to sign for it, inspected it and found it banana shaped, Canada Post refused the insurance claim on it paid by the shipper, a major golfing chain store.
I had UPS or Purolator, I forget as it was years ago, safe drop an a Friday evening on my back BBQ a very expensive item with huge stickers saying "NO SAFE DROP" and "SIGNATURE ONLY" on it: the tracking said it was still elsewhere and not to be delivered until Tuesday so I left for the weekend.
I have had CanPar leave a busted open box of ammo on my front porch with no tracking, no knock, no card, nothing.
AND... I recently had a Purolator subcontractor "safe drop" at the wrong location a "signature only" box worth $4,000 that is missing and so far Purolator has told the shipper to kindly "F-Off" in less profane words: no responsibility, no insurance, nothing. My client is p!ssed beyond words their stuff is gone and the job is now behind.
- - - -
So, depending on where you are, what driver you get, who touches the package in its travel... you might get a problem. Likely not, but the law of probabilities says you will.