411A
Just because the USA and Europe, (all of it? are you sure?), have because of one dubious incident indulged in an hysterical over-reaction that severely inconveniences crews and passengers with no perceivable security benefit does not mean that every one else has to follow, unless ICAO has published a Standard on the subject, which I doubt. Of course you can still buy inflammable booze, perfume and other highly inflammable products in HKG Duty Free.
Cabin bags? I quite agree although it has been a problem for years that for some reason authorities have not tackled effectively, probably because some airport outlets inside the restricted area sell cases that are bigger than the allowed dimensions!!.