FWIW-Most of the real world fleet of A380, have been put into temporary storage because of COVID. Only about 7% of the total fleet (regardless of carrier) is flying. Some of them, have been mothballed, and some have been sent to various wrecking yards to be disassembled. In today’s world of lockdowns, restrictions, vaccine passports, the public aint munh into being packed in a small space with 300 other people, and flying around. Boeing annunced a while back end of life for 747. Many of the passenger ones have been dealt with as stated above, some converted to cargo, many just taken out of service. Youtube Video on last British Airways 747 flight, sad, flew on one of the very first ones in service KATL-KLAX in 1973.