The useful distinction being "members of" vs "elected representatives." I live in an European country. I cannot for the life of me figure out in which way woul

The useful distinction being "members of" vs "elected representatives." I live in an European country. I cannot for the life of me figure out in which way would (a consortium of) private companies come up with something like the GDPR law and the enforcement structures around it. What would be their incentive, as private entities?