It is impossible to undo the damage done by some forms of hacking. For example, if someone breaks into your email provider and publishes embarrassing emails about you in public, it would be impossible to undo the damage by any reasonable means. Tomorrow the lawmakers could pass a law stating that all tax not paid be returned to the government.

Also in a free market, governments should compete for companies to register their books in their respective countries and the competition between the governments should keep the tax rates fair.