Yes, because most people will only engage with ads that pique their interes and aren't safe to follow.
And most importantly, you will want to use those of your SFI and TC gateways that are already optimized to convert traffic to leads and PSAs without the need for putting a cookie in the visitors' computer/device.
These are gateways that lands visitors directly on to the page that answers their questions and is made ready to capture his/her details.