Integrate default theme Style-Settings-like theme settings.
There’s a big negative to using the default theme for those of us who aren’t a CSS wiz like some of you out there: there’s no easy way to change theme settings without custom CSS.
I’d love to use the default theme, and retain some of the fancy things from Minimal. I could just integrate custom CSS but that’d take a lot of my time and energy, which may have to be adjusted in the future if things change and break it.
Institute baked-in default theme settings a-la Style Settings plugin. We don’t necessarily have to rely on the plug-in itself, just something similar where we can adjust default theme features.
Custom CSS. Many of us lack this skill set entirely or are not good enough for it to be a quick fix if something breaks.