They went after Djokovic because he was unvaccinated and did not believe in vaccination.
They are not controlling borders for the sake of global economics anyway and Omicron spread is all about porous borders.
How ironic that Israel gets the Omicron and Iran sits without it because Israel participates in the global economic system and Iran is locked out.
The last thing they wanted was Novak to actually win and prove a non vaxxed person could be healthy. That type of see it with your own eyes is propaganda to their pathological lockdown fantasies.