There is no reason to not support this. Chart widget is only an addition to the article and all data that are needed to fully understand the article are in the text.
According to rules we should disable those pages only when unsupported data is required to understand the text and we can't leave a link to it.
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According to rules we should disable those pages only when unsupported data is required to understand the text and we can't leave a link to it.
Conclusion: this page should be supported.