megopie's claims seem to be consistent with the Wikipedia article (which mostly cites this Singaporean book), and my experience of it wasn't directly state-run either; we used the one from Alipay, and it was mainly about availability of and restriction against services.
While the website for that docu seems to be a bit too alarmist for my red flags, the trailer looks pretty good, so I think I'll give it a try sometimes. Note that my family has no dealings with human rights, so my account may not be accurate.