Thank you for summarizing it this way. All their flowery language (esp from OP) seems like long for "we figure out how the chart should look based on its data". From their page:
> Instead of requiring verbose low-level parameters such as scales, axes, spacing, and layout, the Flint compiler derives optimized chart settings from the data, semantic types, chart type, and encodings.
> Instead of requiring verbose low-level parameters such as scales, axes, spacing, and layout, the Flint compiler derives optimized chart settings from the data, semantic types, chart type, and encodings.