The final cut of the 8th episode of the Tesla Motors Club Podcast, featuring Balazs Biro, of the prominent Hungarian EV channel Villanyautósok, is now available. You can watch it now on YouTube or listen to it on all major podcast networks.
You get the full incentive buying the SR+ anyways, so would be stupid to pay so much for the standard range. My guess is, the standard range is there mainly to be qualified for the incentive as SR+ is listed as a 6600 option on top of the SR.
That's the point; you're supposed to buy the SR Plus. The SR only exists as a technicality to provide government incentives to some of the higher spec vehicles. The low range SR used to be an "off-menu" option, but apparently the Canadian government wasn't a fan of it being hidden, so there is now a check-box on the order menu for compliance.