If the neural interface can filter other ads, that frequency would be a reduction for many people.

Filtering ads outright would never happen. They'd create a market where the device would replace the ads you see or hear with the ads of the highest bidder, and then insert new ads on top of that.

NeuraLink a year later: "Help your ad bubble to the top! Our BlueCheck ad partnership plan bypasses our filters for the paltry sum of 10% of conversion revenues!"