I don’t understand this weird American obsession with flag. I was looking at some photos of Trump’s rallies. Flags everywhere - on shirts, hats, glasses etc. And this bizarre cult of the flag - “it cannot touch the ground” etc.
At the end of the day the flag is just a piece of cloth. If you worship any flag or take offense to any flag, you need to get a life.
In those situations, the newer government is simply seizing the symbols and the perceived “legacy” of the older one. Typically while claiming itself a successor state of the former.