Then almost all European and American websites could be violating the laws of China, North Korea, etc. As a practical matter, a company is only subject to the

Then almost all European and American websites could be violating the laws of China, North Korea, etc. As a practical matter, a company is only subject to the legal jurisdiction of a country to the extent they have a physical (employees, buildings) or financial (assets, transactions) presence. Otherwise, there's no way for a country to effect its laws other than by blocking access to the website domestically.