My primary worry since the start has been not that it would "replace workers", but that it can destroy value of entire sectors. Think of resume-sending. Once both sides are automated, the practice is actually superfluous. The concept of "posting" and "applying" to jobs has to go. So any infrastructure supporting it has to go. At no point did it successfully "do a job", but the injury to the signal to noise ratio wipe…
In other words, there is a lot more spam in the world. Efficiencies in hiring that implicitly existed until today may no longer exist because anyone and their mother can generate a professional-looking cover letter or personal web page or w/e.