It is not complete wibble far from it. Incorportation of the precautionary principle into the Amsterdam treaty 1997 built on previous preparatory work by the EU and enabled this :I am sure this what you believe, but it really is complete wibble. The Precautionary Principle wasn't formulated until the 1970s and doesn't have anything whatever to do with Napoleonic law - it was a German idea which was originally conceived to apply in relation to the environment. The Treaty of Amsterdam mentions the "precautionary principle" just once - in relation to environmental impact assessments:
https://www.europarl.europa.eu/topics/treaty/pdf/amst-en.pdf
"the European Commission in 2000 issued a formal "Communication" about the precautionary principle. This Communication extended the applicability of the principle to public health and consumer protection as well as environmental policy. "
The Perils of the Precautionary Principle: Lessons from the American and European Experience
The concept of a universal precautionary principle apparently has its origins in early German and Swedish thinking about environmental policy, particularly the need for policymakers to practice foresight in order to prevent long-range environmental problems. The concept was included in the...