“ Guy Rosen and Roi Tiger founded Onavo in 2010. In October 2013, Onavo was acquired by Facebook, which used Onavo's analytics platform to monitor competitors. This influenced Facebook to make various business decisions, including its 2014 acquisition of WhatsApp. Since the acquisition, Onavo was frequently classified as being spyware, as the VPN was used to monetize application usage data collected within an allegedly privacy-focused environment.”
That Meta considered his questionable ethics a feature not a bug, and repeatedly promoted him, is very problematic.