There’s a much stronger argument that Britain should do so, which would partially undo the damage they caused during the handover - not only not granting Britis

There’s a much stronger argument that Britain should do so, which would partially undo the damage they caused during the handover - not only not granting British passports, but pressuring Portugal/Macao to do the same: https://www.scmp.com/news/hong-kong/politics/article/2156385/britains-disgraceful-pre-handover-efforts-deny-nationality https://www.scmp.com/news/hong-kong/politics/article/2156385... (2018, about the period leading up to the handover)