Those figures do not account for those who had no option but to accept the installation of a SM, but have opted to run it in dumb mode, that is an availableoption here in the UK. Given the increasing range of ToU tariff here in the UK, some of which enable user to achieve single digit average unit rates. I've a feeling those that are still uneasy about embracing the benifits of a smart meter do so for illogical reasons.
Everyone I know, who has opted to upgrade to a snart meter have massively benifited.