I'm surprised people thought /think that HK was going to go along as a separate entity. The whole point of taking it over was to (eventually ) reintegrate it into China - it's now 23 years since the British left and in many ways the PRC resembles HK rather than the other way round.
When you're an ex-pat you know you're living on borrowed time - eventually the locals will take over - you can either leave of join them............