Facebook is already taking legal action against the owners of Pegasus NSO Group over the alleged spreading of software via WhatsApp. Meta says it has banned seven surveillance companies for targeting users on its platforms. It accused surveillance firms of actions like creating fake accounts, befriending targets and using hacking methods to harvest information. Users affected by the activity would get automated warnings they had been impacted without giving specifics, Meta officials said. Why has it taken long to ban the surveillance firms ?