Their plan was always to use a bioweapon as outlined in the models Bill Gates had presented in Event 201. This was to show us how vulnerable we are to a pandemic and protect ourselves from that vulnerability in the future - checkmated them.
They can't rely on that doomsday scenario where the pandemic helps them control the population and aids them in leaving for space. They took over the space arm of the U.S. through Bezos and SpaceX.
Pandemic created they leave to space wipe out the population and they have the whole of the earth and dominance in space.
But it now puts the whole world in a position to see how serious this could be and take significant precautions.