Definitely not limited to one country - they are basically one of the largest video game companies in the world with majority holdings in Riot Games, Supercell, Epic Games and a large percentage of Activision Blizzard.
Isn’t that kind of like how Deutsch Telecom owns T-mobile, but not many really know or care? Is SoftBank trying to make itself the brand for Sprint users?
The original statement was most people don’t know Tencent is bigger than Facebook (in market cap). That’s simply because most people don’t know what Tencent is, like they don’t know SoftBank or Deutsch Telecom. They aren’t international brands.
Your worried about semantics. Tencent's corporation holdings and size doesn't isn't increased or decrease by people's knowing the name Tencent. It actually strengthens my statement that Tencent is bigger than people understand, especially here in America in knowledge of name and its corporate size.