In interviews back before GDPR, the CNIL stated that, when the maximum fines allowed weren't enough, they saw the PR embarrassment of making their rulings publi

In interviews back before GDPR, the CNIL stated that, when the maximum fines allowed weren't enough, they saw the PR embarrassment of making their rulings public, which is not required, an even higher punishment for Google. So they have been making strategic decisions for a while.