Why do these companies not make use of international, cross border solutions? I am bound by the law of France but my associate in the US could not care less an

Why do these companies not make use of international, cross border solutions? I am bound by the law of France but my associate in the US could not care less and vice versa. If we cross check, say, code daily and I see a discrepancy then I raise an alert on my .fr page, controlled by myself. He would not be involved.