> Tell me more about Switzerland's scorched earth policy
Self-sabotage, mostly through destruction of critical transport infrastructure as front advances.
The only thing I can come with HK, it is it being played in Lamma channel, if it can be blocked by scuttled ships.
If HK want to go that way, it will not win much things other than time. If PLA will really launch an operation, it only has to turn off water pumps, and wait.