I disable the setting but it work the same. I don't want this. It's a bug?
The English translation of that option is "use font to display font name" and in the English version at least, it controls how list of font families displays in the column on the left. If you had that option on, then you should see something like this, rather than what you show above:
It does not seem to affect the font variants in the flyout. I think it would probably make sense for it to do that too, but the option does currently have an effect on the font family name.