Users make terrible security decisions. ~95% of users click through certificate failure pages, ~99% of users don't notice if a website transparently downgrades

Users make terrible security decisions. ~95% of users click through certificate failure pages, ~99% of users don't notice if a website transparently downgrades to HTTP. Delegating the choice, which would be borderline impossible to explain to the user is another way of saying 'Always say yes to proceed'.