Europe is the global capital of tech backlash. The authorities there have taken tech companies to task over dodging taxes, stalking our data, crushing competition and letting people blare dangerous lies online. This week regulators sketched out limits on what are so far mostly hypothetical harms from artificial intelligence technology. Here are possible explanations for why Europe is so hard on tech companies: It might be scapegoating American giants for Europe’s status as a technology backwater, and overreach of clueless government bureaucrats. But European authorities also repeatedly choose to risk making too many rules for technology rather than too few.