This is true of the consumer market, but the OP asked about governments, and 90% of government computers in China run Kylin or NeoKylin, with plans to consolidate the two into a single os. This follows the overall trend of China’s tech sector seeking to replace imports (and copied versions of foreign tech) with fully domestic alternatives.
I’m sure all of those programs are great, but in the modern world I can’t think of any reason why I wouldn’t ever just use VLC.