This may very well be accurate. Even then the USA is still widely regarded as a failure when it comes to everything about this. Most of the EU, Oceania, and the origin country, China, are seen as successes.
What country are you speaking of? I heard several months back about a country that had potentially completely hidden its c-19 numbers but I highly doubt it would be at this scale. I'm not even sure if the population would allow for it even with maximum infection. I would like more details please, if you can.