Actually the Scepter ones you are referring to vent through the spout. Slow yes, but a million times better jerry can than the POS Wedco junk. Never seen a Wedco that didn't eventually leak fuel everywhere.
Because your govt and their friends like it that way!
Watch the video.
16X9: Are Canadian companies exploiting a loophole in our tax code? | Globalnews.ca
If the complainers about these employment programs and all the other BS our govt's shove down our throats don't do anything other than complain on the internet, your govt will keep shafting you and making their friends in business even richer.
If you cave your head in because you weren't wearing a helmet and you survive, who pays to wipe the drool off your chin and wipe your butt? Would you really want to have your family be responsible for changing your diapers multiple times per day and night?