I think as a counter point here - you talk about sensitive data running only on your browser.
But for us, the code and the identifiers even are sensitive.
Knowing what sectors and securities we look at - the parameters we’d pass to our data source - is exactly what we don’t want.
And yes you can do client side encryption and decryption - but it adds to the friction of giving this to our analysts, who want to write queries, discover answers, and publish to portfolio managers to use
We sit with the same issue with Power BI, and we happily pay the extra enterprise licence to Microsoft to have the privilege of running power BI on premise as part of power BI report server, and as mentioned in another forum, we (and many other enterprises) would pay for the privilege to do so here