Consumers certainly can't evaluate each product individually, and that is where certification is a simpler form of evaluation.
It also isn't necessary for every consumer to care about certification. All it takes is a minority to do so - enough to tip sales away from the competition. Certification is also easy to mention in reviews and product feature lists.
It also isn't necessary for every consumer to care about certification. All it takes is a minority to do so - enough to tip sales away from the competition. Certification is also easy to mention in reviews and product feature lists.