Many professionals have a love-hate relationship with recruiters. The few people you end up hiring will hold you in a high regard. They’ll appreciate that you were impressed enough with their background to connect them with the hiring team and give them a chance to make their case for the job.
But the large amount of candidates you don’t end up hiring will likely not remember you as fondly.
More information: https://recruiterbox.com/blog/how-to-not-be-a-bad-recruiter/