I don't have sufficient tournament data to answer this question. The mention appears to be commenting on graphs or diagrams that were shared in a previous context, but I don't have access to:
To provide meaningful analysis about confidence intervals for win rates, I would need:
If you'd like me to analyze current tournament data and calculate win rates with appropriate statistical context, please let me know what specific format, archetypes, or time period you're interested in, and I can pull the relevant data from our tournament database.