Interesting. Would be cool if you can share your use cases.

Best out there today:

Have you tried Octoparser for querying, and then using the Google Sheets data explorer for viz/exploration?

https://www.blog.google/products/g-suite/analyze-your-business-data-explore-google-sheets-use-bigquery-too/

I have a team who floated this idea as a SaaS solution before, but we're not sure if there's a specific vertical with high pain points. Building something like this wouldn't be that hard for a few verticals, or adjacent ones. Building a gen purpose tool for everyone is a different story, though.