The tools are useful for drafts and useless as a source. A lead needs an ad someone saw, a form someone chose to complete, a mobile verified by SMS, a duplicate check and a callback. Every one of those steps involves a real person or a system checking one. A draft written in thirty seconds still has to be put in front of the right people, and that is the expensive part.
Where the tools do help is in the weekly loop, sorting which sources produced leads that answered the phone. That is analysis, and it is where a campaign is won or lost. The whole process, from the ad to the CRM record, is under how to generate home loan leads.