How much can I trust the insights a tool like this gives? The landing page focuses on ease of use and privacy (awesome!). But is this a tool I can use to make

How much can I trust the insights a tool like this gives? The landing page focuses on ease of use and privacy (awesome!). But is this a tool I can use to make critical informed decisions or something where I am willing to trade correctness for ease of use? Being able to click into a chart and see the generated query along with explanation of the intent of each step of the query would go a long way in building trust in the result.