First the chips are deployed by vaccinations under the guise of a Corona Virus Cure.
Then the Population goes into decline because the chips log everything that everyone is doing every second of the day.
The chips act as a form of Total Surveillance
Then the Fake Alien Invasion comes to save humanity from the chips
The ET's are part of the same MK Ultra programming so they aren't going to do anything but kill you so that you can start again.