Looks like the PA's are trying to save cents or are unable to continue business with GJ. Following aircraft are on the ground according to live ADS and twitter, with crew fired or about to be let go.
Alisher Usmanov - M-IABU A340 parked in Tashkent
Abramovic P4-BDL 787 / Gulfstream, parked in Dubai
Andrey Vavilov LX-GVV Airbus A319 parked in Riga
Viktor Vekselberg P4-MIS Airbus A319 parked in Basel
Andrei Skotch P4-MGU Airbus A319 parked in Nur-Sultan
Mikhail Prokhorov M-RBUS - Airbus A319 parked in Basel