Just use .editorconfig, fewer files and it is more powerful

.editorconfig

@@ -19,6 +19,27 @@ indent_size = 2
 [*.{csproj,targets,props,config,runsettings,json,yml,yaml}]
 indent_size = 2
 
+[*.cs]
+
+; public instance fields are ok when used with discretion
+dotnet_diagnostic.CA1050.severity = silent
+; top level names are fine
+dotnet_diagnostic.CA1051.severity = silent
+; don't care about this rule
+dotnet_diagnostic.CA1720.severity = silent
+; i accept preview features
+dotnet_diagnostic.CA2252.severity = silent
+; sealing types is not something i worry about (are there still perf implications for this in .net 7+?)
+dotnet_diagnostic.CA1852.severity = silent
+
+; locale warnings - i don't want to deal with these right now
+dotnet_diagnostic.CA1304.severity = silent
+dotnet_diagnostic.CA1305.severity = silent
+dotnet_diagnostic.CA1310.severity = silent
+
+;dotnet_diagnostic.CA1014.severity = silent
+;dotnet_code_quality.CA1062.exclude_extension_method_this_parameter = true
+
 [NiceIO.cs]
 # TODO: go back and fix niceio
 dotnet_diagnostic.CA1510.severity = silent