Well,
Continental law was strongly inspired by Roman law and Roman law was prefered by Europea law experts when England was an Island kingdom while Roman Empire was ... An Empire.
I don't think you are an expert in law systems comparision and your statements seems to be very broad and unsourced. (random economical number isn't a source)
Some companies like BASF struggle in the American law environment in a combination of jury responsibility (very old concept!), high penalties and jury don't have any clue about science.
I've never heard any such complaint about the European law systems.