Nonli resets the filters in the relevant section of Intelligence to their default configuration - i.e. to the same configuration as in the "Default Global Data" theme.

https://s3-us-west-2.amazonaws.com/secure.notion-static.com/8f3fad83-b48e-4243-ad7d-7fe0857b11e5/What_happens_when_I_click_on_reset_your_filters.gif