It's misleading because many people will read that and assume that the AI is nigh-unbeatable by players. But that's only the case against players who haven't played against it before.
FWIW I read it as just meaning that the AI is very impressive, but might or might not be competitive at the highest levels of play.
Like, if you took a world-class team and had them play against random opponents I'd be surprised if they lost more than one game in a hundred.
In comparison to chess, according to the ELO guidelines where a beginner has an ELO of 800, an average player is ~1500, a professional is ~2200, and only four people have a rating of ~2800, then we'd expect Magnus Carlsen to almost never lose against an average player, and to win around 99% of games against a low tier professional player.
I don’t remember anymore, but were those 7000 matches against high level players? Even the default bots on DotA2 can beat some median and below parties. And they’re very very bad and outdated.
Yes, openai 5 played OG who won the international (biggest dota 2 tournament in the world) 2 years in a row. Openai 5 beat them 2 games in a row in a best of 3
As far as I remember it all openai 5 games were not following standard DotA 2 rules of the time. Things like one courier per player instead of players fighting over a single one and the same heroes on both teams. Even I can win a game if I get to set the rules beforehand.